diff --git a/js/balloons-and-static-electricity/model/BASEModel.js b/js/balloons-and-static-electricity/model/BASEModel.js
index 46b4823d..23902964 100644
--- a/js/balloons-and-static-electricity/model/BASEModel.js
+++ b/js/balloons-and-static-electricity/model/BASEModel.js
@@ -144,7 +144,7 @@ define( function( require ) {
      * Return true when both balloons are visible.
      * @public
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     bothBalloonsVisible: function() {
       return this.greenBalloon.isVisibleProperty.get() && this.yellowBalloon.isVisibleProperty.get();
@@ -153,7 +153,7 @@ define( function( require ) {
     /**
      * Returns true when both balloons are visible and adjacent to each other.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     getBalloonsAdjacent: function() {
       var balloonsAdjacent = ( this.yellowBalloon.getCenter().minus( this.greenBalloon.getCenter() ).magnitude() ) < BalloonModel.BALLOON_WIDTH;
@@ -167,7 +167,7 @@ define( function( require ) {
      * @param {number} objWidth - width of balloon
      * @param {number} objHeight - height of balloon
      *
-     * @return {[type]} [description]
+     * @returns {[type]} [description]
      */
     checkBalloonRestrictions: function( position, objWidth, objHeight ) {
 
@@ -209,7 +209,7 @@ define( function( require ) {
     /**
      * Get the distance between the two balloons.
      *
-     * @return {number}
+     * @returns {number}
      */
     getDistance: function() {
       return this.greenBalloon.getCenter().distance( this.yellowBalloon.getCenter() );
diff --git a/js/balloons-and-static-electricity/model/BalloonDirectionEnum.js b/js/balloons-and-static-electricity/model/BalloonDirectionEnum.js
index bb3b6c8e..258d532a 100644
--- a/js/balloons-and-static-electricity/model/BalloonDirectionEnum.js
+++ b/js/balloons-and-static-electricity/model/BalloonDirectionEnum.js
@@ -26,7 +26,7 @@ define( function( require ) {
      * Returns true if direction is one of the primary relative directions "up", "down", "left", "right".
      *
      * @param {string} direction - one of BalloonDirectionEnum
-     * @return {Boolean}
+     * @returns {Boolean}
      */
     isRelativeDirection: function( direction ) {
       return direction === BalloonDirectionEnum.LEFT ||
diff --git a/js/balloons-and-static-electricity/model/BalloonModel.js b/js/balloons-and-static-electricity/model/BalloonModel.js
index b327c908..f8ec43dc 100644
--- a/js/balloons-and-static-electricity/model/BalloonModel.js
+++ b/js/balloons-and-static-electricity/model/BalloonModel.js
@@ -374,7 +374,7 @@ define( function( require ) {
      * balloon or wall visibility.  Useful for checking whether the balloon is at the wall location
      * when the wall is removed.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     rightAtWallLocation: function() {
       return this.getCenterX() === PlayAreaMap.X_LOCATIONS.AT_WALL;
@@ -383,7 +383,7 @@ define( function( require ) {
     /**
      * Returns whether or not this balloon is at the right edge of the play area.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     atRightEdge: function() {
       return this.getCenterX() === PlayAreaMap.X_BOUNDARY_LOCATIONS.AT_WALL;
@@ -392,7 +392,7 @@ define( function( require ) {
     /**
      * Returns whether or not this balloon is at the left edge of the play area.
      *
-     * @return {string}
+     * @returns {string}
      */
     atLeftEdge: function() {
       return this.getCenterX() === PlayAreaMap.X_BOUNDARY_LOCATIONS.AT_LEFT_EDGE;
@@ -402,7 +402,7 @@ define( function( require ) {
      * Returns whether or not this balloon is in the center of the play area horizontally. Does not consider vertical
      * location.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     inCenterPlayArea: function() {
       return PlayAreaMap.COLUMN_RANGES.CENTER_PLAY_AREA.contains( this.getCenterX() );
@@ -412,7 +412,7 @@ define( function( require ) {
      * Returns whether or not the balloon is very close to an object in the play area. Will return true if the center
      * is withing one of the "very close" ranges in the play area.
      *
-     * @return {string}
+     * @returns {string}
      */
     veryCloseToObject: function() {
       var centerX = this.getCenterX();
@@ -435,7 +435,7 @@ define( function( require ) {
     /**
      * Returns true if the balloon is moving horizontally, left or right.
      * @public
-     * @return {string} - "LEFT"|"RIGHT"
+     * @returns {string} - "LEFT"|"RIGHT"
      */
     movingHorizontally: function() {
       var direction = this.directionProperty.get();
@@ -445,7 +445,7 @@ define( function( require ) {
     /**
      * Returns true if the balloon is movingv vertically, up or down
      * @public
-     * @return {string} - "UP"|"DOWN"
+     * @returns {string} - "UP"|"DOWN"
      */
     movingVertically: function() {
       var direction = this.directionProperty.get();
@@ -455,7 +455,7 @@ define( function( require ) {
     /**
      * Returns true if the balloon is moving horizontally, left or right.
      * @public
-     * @return {string} - "UP_LEFT"|"UP_RIGHT"|"DOWN_LEFT"|"DOWN_RIGHT"
+     * @returns {string} - "UP_LEFT"|"UP_RIGHT"|"DOWN_LEFT"|"DOWN_RIGHT"
      */
     movingDiagonally: function() {
       var direction = this.directionProperty.get();
@@ -468,7 +468,7 @@ define( function( require ) {
     /**
      * Get whether or not the balloon is s moving to the right.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     movingRight: function() {
       var direction = this.directionProperty.get();
@@ -480,7 +480,7 @@ define( function( require ) {
     /**
      * Get whether or not the balloon is moving to the left.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     movingLeft: function() {
       var direction = this.directionProperty.get();
@@ -495,7 +495,7 @@ define( function( require ) {
      * horizontally, progress will be proportion of width.  If moving vertically, progress will be
      * a proportion of the height.
      *
-     * @return {number}
+     * @returns {number}
      */
     getProgressThroughRegion: function() {
 
@@ -547,7 +547,7 @@ define( function( require ) {
 
     /**
      * Get the vertical center of the balloon model.
-     * @return {number}
+     * @returns {number}
      */
     getCenterY: function() {
       return this.locationProperty.get().y + this.height / 2;
@@ -555,7 +555,7 @@ define( function( require ) {
 
     /**
      * Get the horizontal center location of the balloon.
-     * @return {number}
+     * @returns {number}
      */
     getCenterX: function() {
       return this.locationProperty.get().x + this.width / 2;
@@ -564,7 +564,7 @@ define( function( require ) {
     /**
      * Get the right edge of the balloon.
      *
-     * @return {number}
+     * @returns {number}
      */
     getRight: function() {
       return this.locationProperty.get().x + this.width;
@@ -577,7 +577,7 @@ define( function( require ) {
      * balloon plus the average y position of the charges.
      *
      * @public
-     * @return {Vector2}
+     * @returns {Vector2}
      */
     getChargeCenter: function() {
       var centerX = this.getCenter().x;
@@ -589,7 +589,7 @@ define( function( require ) {
      * Get the position of the left touch point of the balloon against the sweater. If the balloon center is to the
      * right of the sweater edge, use  the left edge of the balloon. Otherwise, use the balloon center.
      *
-     * @return {Vector2}
+     * @returns {Vector2}
      */
     getSweaterTouchingCenter: function() {
       var sweater = this.balloonsAndStaticElectricityModel.sweater;
@@ -608,7 +608,7 @@ define( function( require ) {
     /**
      * Returns whether or not this balloon has any charge. Just a helper function for convenience and readability.
      * @public
-     * @return {boolean}
+     * @returns {boolean}
      */
     isCharged: function() {
 
@@ -619,7 +619,7 @@ define( function( require ) {
     /**
      * Returns true if this balloon is both inducing charge and visible. Helper function for readability.
      * @public
-     * @return {boolean}
+     * @returns {boolean}
      */
     inducingChargeAndVisible: function() {
       return this.isVisibleProperty.get() && this.inducingChargeProperty.get();
@@ -629,7 +629,7 @@ define( function( require ) {
      * Whether this balloon is inducing charge in the wall. For the balloon to be inducing charge in the wall, this
      * balloon must be visible, the wall must be visible, and the force between wall and balloon must be large enough.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     inducingCharge: function( wallVisible ) {
 
@@ -764,7 +764,7 @@ define( function( require ) {
     /**
      * Returns whether or not the balloon is touching the boundary of the play area, including the bottom, left
      * and top edges, or the right edge or wall depending on wall visibility.
-     * @return {string}
+     * @returns {string}
      */
     isTouchingBoundary: function() {
       return this.isTouchingRightBoundary() || this.isTouchingLeftBoundary() ||
@@ -776,7 +776,7 @@ define( function( require ) {
      * is visible, this will be the location where the balloon is touching the wall, otherwise it will
      * be the location where the balloon is touching the right edge of the play area.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     isTouchingRightBoundary: function() {
       var balloonX = this.getCenter().x;
@@ -792,7 +792,7 @@ define( function( require ) {
      * Returns whether or not the balloon is touching the right most edge of the play area (should be impossible
      * if the wall is invisible)
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     isTouchingRightEdge: function() {
       var balloonX = this.getCenterX();
@@ -801,7 +801,7 @@ define( function( require ) {
 
     /**
      * Returns whether or not the balloon is touching the bottom boundary of the play area.
-     * @return {boolean}
+     * @returns {boolean}
      */
     isTouchingBottomBoundary: function() {
       return PlayAreaMap.Y_BOUNDARY_LOCATIONS.AT_BOTTOM === this.getCenterY();
@@ -814,7 +814,7 @@ define( function( require ) {
     /**
      * Returns whether or not the balloon is touching the top boundary of the play area.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     isTouchingTopBoundary: function() {
       return PlayAreaMap.Y_BOUNDARY_LOCATIONS.AT_TOP === this.getCenterY();
@@ -967,7 +967,7 @@ define( function( require ) {
      * Get the force on a balloon from the closest charge to the balloon in the wall.
      *
      * @param {BalloonModel} balloon
-     * @return {Vector2}
+     * @returns {Vector2}
      */
     getForceToClosestWallCharge: function( balloon ) {
       return BalloonModel.getForce(
@@ -985,7 +985,7 @@ define( function( require ) {
      *
      * @param  {Vector2} pointA
      * @param  {Vector2} pointB
-     * @return {string} - one of BalloonDirectionEnum
+     * @returns {string} - one of BalloonDirectionEnum
      * @static
      */
     getDirection: function( pointA, pointB ) {
diff --git a/js/balloons-and-static-electricity/model/MovablePointChargeModel.js b/js/balloons-and-static-electricity/model/MovablePointChargeModel.js
index 7d1eade6..d2f1f673 100644
--- a/js/balloons-and-static-electricity/model/MovablePointChargeModel.js
+++ b/js/balloons-and-static-electricity/model/MovablePointChargeModel.js
@@ -57,7 +57,7 @@ define( function( require ) {
     /**
      * Get the displacement of the charge from its initial position. Useful as a measure of the induced charge.
      *
-     * @return {Vector2}
+     * @returns {Vector2}
      */
     getDisplacement: function() {
       var initialPosition = this.locationProperty.initialValue;
diff --git a/js/balloons-and-static-electricity/model/PlayAreaMap.js b/js/balloons-and-static-electricity/model/PlayAreaMap.js
index a2993202..a55e627d 100644
--- a/js/balloons-and-static-electricity/model/PlayAreaMap.js
+++ b/js/balloons-and-static-electricity/model/PlayAreaMap.js
@@ -126,7 +126,7 @@ define( function( require ) {
      * Get the column of the play area for the a given location in the model, including landmark locations.
      * 
      * @param  {Vector2} location
-     * @return {string}         
+     * @returns {string}
      */
     getPlayAreaColumn: function( location, wallVisible ) {
       var columns = COLUMN_RANGES;
@@ -155,7 +155,7 @@ define( function( require ) {
      * Get the landmark of the play area for the a given location in the model.
      * 
      * @param  {Vector2} location
-     * @return {string}         
+     * @returns {string}
      */
     getPlayAreaLandmark: function( location, wallVisible ) {
       var landmarks = LANDMARK_RANGES;
@@ -182,8 +182,8 @@ define( function( require ) {
     /**
      * Get a row in the play area that contains the location in the model.
      * 
-     * @param  {Vector2} location 
-     * @return {strint}
+     * @param  {Vector2} location
+     * @returns {strint}
      */
     getPlayAreaRow: function( location ) {
       var rows = PlayAreaMap.ROW_RANGES;
@@ -208,7 +208,7 @@ define( function( require ) {
      * that surround critical x locations.
      *
      * @param {Vector2s} location
-     * @return {boolean}
+     * @returns {boolean}
      */
     inLandmarkColumn: function( location ) {
       var landmarks = PlayAreaMap.LANDMARK_RANGES;
@@ -236,7 +236,7 @@ define( function( require ) {
    * @param {number} width - desired width of the next range
    * @param {Range} [previousRange] - if provided, next range will start from max of this range
    *
-   * @return {Range}
+   * @returns {Range}
    */
   function createNextRange( width, previousRange ) {
     var min = previousRange ? previousRange.max : 0;
@@ -249,7 +249,7 @@ define( function( require ) {
    * PlayArea that define how the balloon's location should be described.
    *
    * @param {number} xLocation - center of the landmark
-   * @return {Range}
+   * @returns {Range}
    */
   function createLandmarkRange( xLocation ) {
     return new Range( xLocation - HALF_LANDMARK_WIDTH, xLocation + HALF_LANDMARK_WIDTH );
diff --git a/js/balloons-and-static-electricity/model/WallModel.js b/js/balloons-and-static-electricity/model/WallModel.js
index 4c800fa0..a6645f9e 100644
--- a/js/balloons-and-static-electricity/model/WallModel.js
+++ b/js/balloons-and-static-electricity/model/WallModel.js
@@ -156,7 +156,7 @@ define( function( require ) {
      * @param {number} i - column number
      * @param {number} k - row number
      *
-     * @return {Array.<number>} - an array containing the x and y values for the charge
+     * @returns {Array.<number>} - an array containing the x and y values for the charge
      */
     calculatePosition: function( i, k ) {
       var y0 = i % 2 === 0 ? this.dy / 2 : 1;
@@ -166,8 +166,8 @@ define( function( require ) {
     /**
      * Get the minus charge that is the closest in the wall to the balloon, relative to the charge's initial
      * position.
-     * 
-     * @return {MovablePointChargeModel}
+     *
+     * @returns {MovablePointChargeModel}
      */
     getClosestChargeToBalloon: function( balloon ) {
       var minusCharges = this.minusCharges;
@@ -197,7 +197,7 @@ define( function( require ) {
      * @public
      *
      * @param {Vector2} force - force applied on this charge
-     * @return {boolean}
+     * @returns {boolean}
      */
     forceIndicatesInducedCharge: function( force ) {
       return force.magnitude() > FORCE_MAGNITUDE_THRESHOLD;
diff --git a/js/balloons-and-static-electricity/view/BASEKeyboardHelpContent.js b/js/balloons-and-static-electricity/view/BASEKeyboardHelpContent.js
index 1c1dd7f8..b8019235 100644
--- a/js/balloons-and-static-electricity/view/BASEKeyboardHelpContent.js
+++ b/js/balloons-and-static-electricity/view/BASEKeyboardHelpContent.js
@@ -154,7 +154,7 @@ define( function( require ) {
    * @param {string} keyString - the letter name that will come after 'j'
    * @param {string} labelString
    * @param {string} innerContent
-   * @return {HBox}
+   * @returns {HBox}
    */
   function createJumpKeyRow( keyString, labelString, innerContent ) {
 
diff --git a/js/balloons-and-static-electricity/view/BASESummaryNode.js b/js/balloons-and-static-electricity/view/BASESummaryNode.js
index dc7dcfce..dc65faa8 100644
--- a/js/balloons-and-static-electricity/view/BASESummaryNode.js
+++ b/js/balloons-and-static-electricity/view/BASESummaryNode.js
@@ -160,7 +160,7 @@ define( function( require ) {
      * "Sweater has positive net charge, showing several positive charges. Wall has zero  net charge, showing several
      *   positive charges."
      *
-     * @return {string}
+     * @returns {string}
      */
     getSweaterAndWallChargeDescription: function() {
       var description;
@@ -211,7 +211,7 @@ define( function( require ) {
      * "Yellow balloon has negative net charge, a few more negative charges than positive charges." or
      * “Yellow balloon has negative net charge, several more negative charges than positive charges. Green balloon has negative net charge, a few more negative charges than positive charges. Yellow balloon has negative net charge, showing several negative charges. Green balloon has negative net charge, showing a few negative charges.”
      *
-     * @return {string}
+     * @returns {string}
      */
     getBalloonChargeDescription: function() {
       var description;
@@ -269,7 +269,7 @@ define( function( require ) {
      * "Negative charges in wall move away from balloons quite a lot. Positive charges do not move." or
      * "Negative charges in wall move away from Green Balloon a little bit. Positive charges do not move."
      *
-     * @return {string}
+     * @returns {string}
      */
     getInducedChargeDescription: function() {
       var description;
@@ -348,7 +348,7 @@ define( function( require ) {
      * @private
      * @param  {Property.<boolean>} balloonVisible
      * @param  {Property.<boolean>} wallVisible
-     * @return {string}
+     * @returns {string}
      */
     getVisibleObjectsDescription: function( balloonVisible, wallVisible ) {
       var patternString;
diff --git a/js/balloons-and-static-electricity/view/BalloonInteractionCueNode.js b/js/balloons-and-static-electricity/view/BalloonInteractionCueNode.js
index 617d94b5..a4487c3f 100644
--- a/js/balloons-and-static-electricity/view/BalloonInteractionCueNode.js
+++ b/js/balloons-and-static-electricity/view/BalloonInteractionCueNode.js
@@ -101,7 +101,7 @@ define( function( require ) {
      * would move if that key is pressed.
      *
      * @param {string} direction - 'up'|'down'|'left'|'right'
-     * @return {Node}
+     * @returns {Node}
      */
     createMovementKeyNode: function( direction ) {
 
diff --git a/js/balloons-and-static-electricity/view/BalloonNode.js b/js/balloons-and-static-electricity/view/BalloonNode.js
index a3e6b06a..e30241a5 100644
--- a/js/balloons-and-static-electricity/view/BalloonNode.js
+++ b/js/balloons-and-static-electricity/view/BalloonNode.js
@@ -367,7 +367,7 @@ define( function( require ) {
 
     /**
      * Determine if the user attempted to move beyond the play area bounds with the keyboard.
-     * @return {[type]} [description]
+     * @returns {[type]} [description]
      */
     attemptToMoveBeyondBoundary: function( keyCode ) {
       return (
diff --git a/js/balloons-and-static-electricity/view/describers/BASEDescriber.js b/js/balloons-and-static-electricity/view/describers/BASEDescriber.js
index ce14cd76..6f1e50f9 100644
--- a/js/balloons-and-static-electricity/view/describers/BASEDescriber.js
+++ b/js/balloons-and-static-electricity/view/describers/BASEDescriber.js
@@ -200,7 +200,7 @@ define( function( require ) {
    * @param {Object[]} [entries] - Additional entries to add to the mapped value range, will look something like
    *                             { description: {string}, range: {Range} }
    *
-   * @return {Object}
+   * @returns {Object}
    */
   var generateDescriptionMapWithEntries = function( descriptionArray, valueRange, entries ) {
     entries = entries || [];
@@ -257,7 +257,7 @@ define( function( require ) {
      * descsription. Regions are defined in PlayAreaMap.  This will get called very often and needs to be quick.
      * 
      * @param {Vector2} location - location of the balloon, relative to its center
-     * @return {string}
+     * @returns {string}
      */
     getLocationDescription: function( location, wallVisible ) {
 
@@ -326,7 +326,7 @@ define( function( require ) {
      * @private
      *
      * @param {string} column - one of keys in LOCATION_DESCRIPTION_MAP
-     * @return {boolean}
+     * @returns {boolean}
      */
     inWallColumn: function( column ) {
       return ( column === 'AT_WALL' || column === 'AT_NEAR_WALL' || column === 'WALL' || column === 'AT_VERY_CLOSE_TO_WALL' );
@@ -337,7 +337,7 @@ define( function( require ) {
      * string patterns
      * 
      * @param  {number} charge
-     * @return {string}
+     * @returns {string}
      */
     getRelativeChargeDescription: function( charge ) {
 
@@ -364,7 +364,7 @@ define( function( require ) {
      * a charge pickup. Descriptions are generated relative to the absolute value of the charge.
      *
      * @param  {number} charge
-     * @return {Range}
+     * @returns {Range}
      */
     getDescribedChargeRange: function( charge ) {
 
@@ -390,7 +390,7 @@ define( function( require ) {
      * @param {BalloonModel} balloonA
      * @param {BalloonModel} balloonB
      *
-     * @return {[type]} [description]
+     * @returns {[type]} [description]
      */
     getBalloonsVisibleWithSameChargeRange: function( balloonA, balloonB ) {
       var rangeA = BASEDescriber.getDescribedChargeRange( balloonA.chargeProperty.get() );
@@ -407,7 +407,7 @@ define( function( require ) {
      * @public
      *
      * @param {string} direction - one of BalloonDirectionEnum
-     * @return {string}
+     * @returns {string}
      */
     getDirectionDescription: function( direction )  {
       return DIRECTION_MAP[ direction ];
@@ -419,7 +419,7 @@ define( function( require ) {
      * "Each balloon has negative net charge." or
      * "Each balloon has zero net charge."
      *
-     * @return {string}
+     * @returns {string}
      */
     getNetChargeDescriptionWithLabel: function( charge ) {
       var chargeAmountString = charge < 0 ? negativeString : zeroString;
@@ -438,7 +438,7 @@ define( function( require ) {
      *
      * @param {string} chargesShown
      * @param {number} numberOfCharges
-     * @return {string}
+     * @returns {string}
      */
     getNeutralChargesShownDescription: function( chargesShown, numberOfCharges ) {
       var description;
diff --git a/js/balloons-and-static-electricity/view/describers/BalloonChargeDescriber.js b/js/balloons-and-static-electricity/view/describers/BalloonChargeDescriber.js
index 708f1612..e85f5842 100644
--- a/js/balloons-and-static-electricity/view/describers/BalloonChargeDescriber.js
+++ b/js/balloons-and-static-electricity/view/describers/BalloonChargeDescriber.js
@@ -104,7 +104,7 @@ define( function( require ) {
      * "Has negative net charge." or
      * "Has neutral net charge." 
      *
-     * @return {string}
+     * @returns {string}
      */
     getNetChargeDescription: function() {
       var chargeAmountString = this.balloonModel.chargeProperty.get() < 0 ? balloonNegativeString : balloonZeroString;
@@ -118,7 +118,7 @@ define( function( require ) {
      * "Yellow balloon has negative net charge." or
      * "Green balloon has no net charge."
      *
-     * @return {string}
+     * @returns {string}
      */
     getNetChargeDescriptionWithLabel: function() {
       var chargeAmountString = this.balloonModel.chargeProperty.get() < 0 ? balloonNegativeString : balloonZeroString;
@@ -138,7 +138,7 @@ define( function( require ) {
      * "Green balloon has several more negative charges than positive  charges. Yellow balloon has several more
      *   negative charges than positive charges." or
      *
-     * @return {string}
+     * @returns {string}
      */
     getCombinedRelativeChargeDescription: function() {
       assert && assert( this.balloonModel.isDraggedProperty.get(), 'alert should only be generated if balloon is grabbed' );
@@ -180,7 +180,7 @@ define( function( require ) {
      * Get a description of the induced charge in the wall or the charge of the sweater. To be used by the "grab" alert
      * when the balloon is picked up.
      *
-     * @return {string}
+     * @returns {string}
      */
     getOtherObjectChargeDescription: function() {
       var inducingChargeOrTouchingWall = this.balloonModel.inducingChargeProperty.get() || this.balloonModel.touchingWall();
@@ -249,7 +249,7 @@ define( function( require ) {
      * "Negative charges in wall begin to return."
      * "Negative charges in wall return a little more."
      *
-     * @return {string}
+     * @returns {string}
      */
     getInducedChargeChangeDescription: function() {
       var descriptionString;
@@ -324,7 +324,7 @@ define( function( require ) {
      * that the charges moved away from the balloon, we will always describe the return of induced charges at least
      * once.
      *
-     * @return {string}
+     * @returns {string}
      */
     describeInducedChargeChange: function() {
       var chargesShown = this.showChargesProperty.get();
@@ -340,7 +340,7 @@ define( function( require ) {
     /**
      * A description of the balloon's relative charge but modified slightly for the context of the screen summary.
      *
-     * @return {string}
+     * @returns {string}
      */
     getSummaryRelativeChargeDescription: function() {
       var chargesShown = this.showChargesProperty.get();
@@ -359,7 +359,7 @@ define( function( require ) {
      * "Has zero net charge, showing no charges." or 
      * "Has zero net charge, many pairs of positive and negative charges"
      *
-     * @return {string}
+     * @returns {string}
      */
     getHasRelativeChargeDescription: function() {
       var balloonCharge = this.balloonModel.chargeProperty.get();
@@ -405,7 +405,7 @@ define( function( require ) {
      * @param {BalloonModel} balloonModel
      * @param {string} showCharges - one of 'all', 'none, 'diff'
      *
-     * @return {string}
+     * @returns {string}
      */
     getRelativeChargeDescription: function( balloonModel, showCharges ) {
       var description;
@@ -442,8 +442,8 @@ define( function( require ) {
      * "Yellow balloon has zero net charge, showing no charges."
      *
      * Dependent on the charge view.
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getRelativeChargeDescriptionWithLabel: function( balloonModel, showCharges, label ) {
       var description;
diff --git a/js/balloons-and-static-electricity/view/describers/BalloonDescriber.js b/js/balloons-and-static-electricity/view/describers/BalloonDescriber.js
index b9c7642b..0daa3f9e 100644
--- a/js/balloons-and-static-electricity/view/describers/BalloonDescriber.js
+++ b/js/balloons-and-static-electricity/view/describers/BalloonDescriber.js
@@ -269,7 +269,7 @@ define( function( require ) {
      * "At center of play area. Has zero net charge, no more negative charge than positive charges." or
      * "At center of play area, next to green balloon."
      *
-     * @return {string}
+     * @returns {string}
      */
     getBalloonDescription: function() {
       var description;
@@ -307,7 +307,7 @@ define( function( require ) {
      * sweater, and the number of charges that the balloon has picked up.
      *
      * @param  {boolean} firstPickup - special behavior if the first charge pickup since landing on sweater
-     * @return {string}
+     * @returns {string}
      */
     getChargePickupDescription: function( firstPickup ) {
       var description;
@@ -376,7 +376,7 @@ define( function( require ) {
      * area, we get an initial alert like
      * "Yellow Balloon picks up negative charges from sweater."
      *
-     * @return {string}
+     * @returns {string}
      */
     getInitialChargePickupDescription: function() {
       var description;
@@ -410,7 +410,7 @@ define( function( require ) {
      * "No change in charges. On right side of sweater. Sweater has positive net charge. Yellow Balloon has negative
      * net charge. Press space to release."
      *
-     * @return {string}
+     * @returns {string}
      */
     getNoChargePickupDescription: function() {
       var alert;
@@ -484,7 +484,7 @@ define( function( require ) {
      * "At upper wall." or
      * "At lower wall. Yellow balloon has negative net charge, showing several more negative charges than positive charges."
      *
-     * @return {string}
+     * @returns {string}
      */
     getWallRubbingDescription: function() {
       var descriptionString;
@@ -600,7 +600,7 @@ define( function( require ) {
      * "At upper wall. No transfer of charge. In upper wall, no change in charges. Wall has many pairs of negative
      * and positive charges."
      *
-     * @return {string}
+     * @returns {string}
      */
     getWallRubbingDescriptionWithChargePairs: function() {
       return StringUtils.fillIn( wallRubbingWithPairsPattern, {
@@ -612,7 +612,7 @@ define( function( require ) {
      * Get the description when the balloon has picked up the last charge on the sweater.
      * Dependent on the charge view.
      *
-     * @return {string}
+     * @returns {string}
      */
     getLastChargePickupDescription: function() {
       var shownCharges = this.showChargesProperty.get();
@@ -634,7 +634,7 @@ define( function( require ) {
      * "Green balloon added. Sticking to left shoulder of sweater." or
      * "Green balloon added. On left side of play area, next to yellow balloon."
      *
-     * @return {string}
+     * @returns {string}
      */
     getVisibilityChangedDescription: function() {
       var description;
diff --git a/js/balloons-and-static-electricity/view/describers/BalloonLocationDescriber.js b/js/balloons-and-static-electricity/view/describers/BalloonLocationDescriber.js
index 7a124f49..bfa7045a 100644
--- a/js/balloons-and-static-electricity/view/describers/BalloonLocationDescriber.js
+++ b/js/balloons-and-static-electricity/view/describers/BalloonLocationDescriber.js
@@ -169,8 +169,8 @@ define( function( require ) {
     /**
      * Get a description that describes the attractive state or proximity of the balloon, such as
      * "On...", "sticking to...", "Near..." and so on.
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getAttractiveStateOrProximityDescription: function() {
       var string = '';
@@ -198,8 +198,8 @@ define( function( require ) {
      * or location of balloon.
      *
      * NOTE: This function is undoubtedly horrible for i18n.
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getPreposition: function() {
       var string = '';
@@ -238,8 +238,8 @@ define( function( require ) {
      * Returns a string that combines the balloon's attractive state and location descriptions. Something
      * like "On center of play area" or "Sticking to wall". This fragment is used in a number of different
      * contexts, so it doesn't include punctuation at the end.
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getAttractiveStateAndLocationDescription: function() {
       var locationDescriptionString = this.getBalloonLocationDescription();
@@ -258,7 +258,7 @@ define( function( require ) {
      * Returns something like:
      * Yellow balloon, sticking to right arm of sweater.
      *
-     * @return {string}
+     * @returns {string}
      */
     getAttractiveStateAndLocationDescriptionWithLabel: function() {
       var alert;
@@ -279,8 +279,8 @@ define( function( require ) {
      * Get a description of the balloon being "on" an item in the play area. Instead of getting
      * the attractive state of the balloon (like 'touching' or 'sticking' or 'near'), simply say
      * 'on' wherever the balloon is.
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getOnLocationDescription: function() {
 
@@ -302,8 +302,8 @@ define( function( require ) {
      * "upper wall", or 
      * "wall, next to Green Balloon", or 
      * "right arm of sweater, next to Yellow Balloon"
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getBalloonLocationDescription: function() {
       var description = this.getLocationDescriptionWithoutOverlap();
@@ -327,7 +327,7 @@ define( function( require ) {
      *
      * any of the other location descriptions for the PlayAreaMap.
      *
-     * @return {string}
+     * @returns {string}
      */
     getLocationDescriptionWithoutOverlap: function() {
       var describedBalloonPosition = this.getDescribedPoint();
@@ -339,8 +339,8 @@ define( function( require ) {
      * Get the point on the balloon that should be described. Generally, this is the balloon center.  If the balloon
      * is touching the sweater or the wall, the point of touching should be described.  If near the wall, the described
      * point is the edge of the wall to accomplish a description like "Yellow balloon, Near upper wall".
-     * 
-     * @return {Vector2}
+     *
+     * @returns {Vector2}
      */
     getDescribedPoint: function() {
       var describedBalloonPosition;
@@ -359,8 +359,8 @@ define( function( require ) {
     /**
      * Get a short description of the balloon's location at a boundary when there is an attempted drag beyond
      * the boundary.  Will return something like "At bottom" or "At top".
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getTouchingBoundaryDescription: function( attemptedDirection ) {
       assert && assert ( this.balloonModel.isTouchingBoundary(), 'balloon is not touching a boundary' );
@@ -394,7 +394,7 @@ define( function( require ) {
      * "Off sweater"
      *
      * @param {boolean} onSweater
-     * @return {string}
+     * @returns {string}
      */
     getOnSweaterString: function( onSweater ) {
       var description;
@@ -428,7 +428,7 @@ define( function( require ) {
      * drag velocity, and movement direction. Depending on these variables, we might not announce this alert, so
      * this function can return null.
      *
-     * @return {string|null}
+     * @returns {string|null}
      */
     getLandmarkDragDescription: function() {
       var playAreaLandmark = this.balloonModel.playAreaLandmarkProperty.get();
@@ -463,7 +463,7 @@ define( function( require ) {
      * "At center of play area." or
      * "Closer to sweater."
      *
-     * @return {string}
+     * @returns {string}
      */
     getKeyboardMovementAlert: function() {
       var alert;
@@ -502,7 +502,7 @@ define( function( require ) {
      *
      * @param {Vector2} location - the current location of the balloon
      * @param {Vector2} oldLocation - the previous location of the balloon
-     * @return {string}
+     * @returns {string}
      */
     getInitialReleaseDescription: function( location, oldLocation ) {
 
@@ -534,8 +534,8 @@ define( function( require ) {
      * Will return something like
      * "Moving Left." or
      * "Moving Left. Near wall."
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getContinuousReleaseDescription: function() {
       var description;
@@ -571,8 +571,8 @@ define( function( require ) {
      * are visible, we include information about the induced charge in the wall. Will return something like
      * "No change in position. Yellow balloon, on left side of Play Area." or
      * "No change in position. Yellow Balloon, at wall. Negative charges in wall move away from yellow balloon a lot."
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getNoChangeReleaseDescription: function() {
       var description;
@@ -623,7 +623,7 @@ define( function( require ) {
      * Get a description of velocity for this balloon, one of "very slowly", "slowly", "quickly", "very quickly"
      * 
      * @private
-     * @return {string}
+     * @returns {string}
      */
     getVelocityString: function() {
       var velocityString;
@@ -649,7 +649,7 @@ define( function( require ) {
      * is one of BalloonDirectionEnum.
      *
      * @param {string} direction - one of BalloonDirectionEnum
-     * @return {string}
+     * @returns {string}
      */
     getDraggingDirectionDescription: function( direction ) {
       var movementString = BALLOON_DIRECTION_DRAGGING_MAP[ direction ];
@@ -674,8 +674,8 @@ define( function( require ) {
     /**
      * Get the dragging description while the balloon is moving through the play area being dragged and enters
      * a new region in the play area.
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getPlayAreaDragNewRegionDescription: function() {
 
@@ -693,8 +693,8 @@ define( function( require ) {
 
     /**
      * Get a progress string toward the sweater, wall, top edge, bottom edge, or center of play area.
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getPlayAreaDragProgressDescription: function() {
       var alert;
@@ -752,7 +752,7 @@ define( function( require ) {
      * "Left." or
      * "Now Left."
      *
-     * @return {string}
+     * @returns {string}
      */
     getDirectionChangedDescription: function() {
       var description;
@@ -792,7 +792,7 @@ define( function( require ) {
      * "Green balloon, at wall. Negative charges in wall move away from yellow balloon a little bit."
      * ''
      *
-     * @return {string}
+     * @returns {string}
      */
     getMovementStopsDescription: function() {
       var descriptionString;
@@ -831,7 +831,7 @@ define( function( require ) {
      * for the movement to be observable. This is to prevent this alert from firing indefinitely if the balloon has
      * some arbitrary velocity.
      *
-     * @return {boolean}
+     * @returns {boolean}
      */
     balloonMovingAtContinousDescriptionVelocity: function() {
       var velocityMagnitude = this.balloonModel.velocityProperty.get().magnitude();
@@ -846,8 +846,8 @@ define( function( require ) {
      * setting. If the balloon is inducing charge, information about induced charge will be included.
      * If the balloon is on the sweater, will include infomation about the charges on the sweater. After the
      * balloon has been picked up once, we don't need to describe help information until reset.
-     * 
-     * @return {string}
+     *
+     * @returns {string}
      */
     getGrabbedAlert: function() {
       var description;
@@ -921,7 +921,7 @@ define( function( require ) {
      *
      * @public
      * @param  {Vector2} center
-     * @return {string}
+     * @returns {string}
      */
     getJumpingDescription: function( center ) {
       var description = '';
diff --git a/js/balloons-and-static-electricity/view/describers/SweaterDescriber.js b/js/balloons-and-static-electricity/view/describers/SweaterDescriber.js
index 93c0b200..88e87b07 100644
--- a/js/balloons-and-static-electricity/view/describers/SweaterDescriber.js
+++ b/js/balloons-and-static-electricity/view/describers/SweaterDescriber.js
@@ -73,7 +73,7 @@ define( function( require ) {
      * "At left edge of Play Area. Has positive net charge, several more positive charges than negative charges."
      *
      * @param {Property.<string>} showCharges
-     * @return {string}
+     * @returns {string}
      */
     getSweaterDescription: function( showCharges ) {
       var description;
@@ -152,7 +152,7 @@ define( function( require ) {
      * 
      * @param  {number} charge
      * @param  {string} shownCharges
-     * @return {string} 
+     * @returns {string} 
      */
     getRelativeChargeDescriptionWithLabel: function( charge, shownCharges ) {
       var description;
@@ -200,7 +200,7 @@ define( function( require ) {
      * word to indicate this.
      *
      * @param {number} charge
-     * @return {string}
+     * @returns {string}
      */
     getRelativeChargeDescription: function( charge ) {
 
@@ -217,7 +217,7 @@ define( function( require ) {
      * charge visibility.
      * 
      * @param  {string} shownCharges
-     * @return {string}
+     * @returns {string}
      */
     getNoMoreChargesAlert: function( charge, shownCharges ) {
       var alert;
@@ -239,7 +239,7 @@ define( function( require ) {
      * "Sweater has neutral net charge."
      *
      * @param {number} sweaterCharge
-     * @return {string}
+     * @returns {string}
      */
     getNetChargeDescription: function( sweaterCharge )  {
       var relativeChargeString = ( sweaterCharge === 0 ) ? neutralNetChargeString : positiveNetChargeString;
@@ -257,7 +257,7 @@ define( function( require ) {
      *
      * @param {BalloonModel} balloon
      * @param {string} shownCharges
-     * @return {string}
+     * @returns {string}
      */
     getMoreChargesDescription: function( balloon, sweaterCharge, sweaterCharges, shownCharges ) {
       assert && assert( sweaterCharge < BASEConstants.MAX_BALLOON_CHARGE, 'no more charges on sweater' );
@@ -299,7 +299,7 @@ define( function( require ) {
      * "Sweater has zero net charge, many pairs of positive and negative charges."
      * "Sweater has zero net charge, showing no charges."
      *
-     * @return {string}
+     * @returns {string}
      */
     getSummaryChargeDescription: function( chargesShown, charge ) {
 
diff --git a/js/balloons-and-static-electricity/view/describers/WallDescriber.js b/js/balloons-and-static-electricity/view/describers/WallDescriber.js
index f39ea56a..df7dda89 100644
--- a/js/balloons-and-static-electricity/view/describers/WallDescriber.js
+++ b/js/balloons-and-static-electricity/view/describers/WallDescriber.js
@@ -93,7 +93,7 @@ define( function( require ) {
      * @public
      * @param  {BalloonModel} yellowBalloon
      * @param  {BalloonModel} greenBalloon
-     * @return {string}
+     * @returns {string}
      */
     getWallDescription: function( yellowBalloon, greenBalloon, balloonsAdjacent ) {
       var  description;
@@ -122,7 +122,7 @@ define( function( require ) {
      * Get the described charge in the wall, dependent on charge visibility, whether or not there is induced charge,
      * and which balloons are visible. This portion of the description does not include any wall position information.
      *
-     * @return {string}
+     * @returns {string}
      */
     getWallChargeDescription: function( yellowBalloon, greenBalloon, balloonsAdjacent, wallVisible, chargesShown )  {
       var descriptionString;
@@ -217,7 +217,7 @@ define( function( require ) {
      * @param {boolean} wallVisible
      * @param {string} chargesShown
      *
-     * @return {string}
+     * @returns {string}
      */
     getWallChargeDescriptionWithLabel: function( yellowBalloon, greenBalloon, balloonsAdjacent, wallVisible, chargesShown ) {
       var description = WallDescriber.getWallChargeDescription( yellowBalloon, greenBalloon, balloonsAdjacent, wallVisible, chargesShown );
@@ -232,7 +232,7 @@ define( function( require ) {
      * Get the induced charge amount description for the balloon, describing whether the charges are
      * "a little bit" displaced and so on.
      * @param  {BalloonModel} balloon
-     * @return {string}
+     * @returns {string}
      */
     getInducedChargeAmountDescription: function( balloon ) {
 
@@ -252,7 +252,7 @@ define( function( require ) {
      * "In wall, no change in charges."
      *
      * @param {string} locationString
-     * @return {string}
+     * @returns {string}
      */
     getNoChangeInChargesDescription: function( locationString ) {
       return StringUtils.fillIn( wallNoChangeInChargesPatternString, {
@@ -267,7 +267,7 @@ define( function( require ) {
      * @param {BalloonModel} balloon
      * @param {string} balloonLabel
      * @param {boolean} wallVisible
-     * @return {string}
+     * @returns {string}
      */
     getInducedChargeDescriptionWithNoAmount: function( balloon, balloonLabel, wallVisible ) {
       var descriptionString;
@@ -348,7 +348,7 @@ define( function( require ) {
      * "Negative charges in wall move away from balloons quite a lot. Positive charges do not move." or
      * "Negative charges in lower wall move away from balloons quite a lot. Positive charges do not move."
      *
-     * @return {string}
+     * @returns {string}
      */
     getCombinedInducedChargeDescription: function( balloon, wallVisible, options ) {
 
@@ -394,7 +394,7 @@ define( function( require ) {
      * @param wallVisible
      * @param {[type]} includeWallLocation [description]
      *
-     * @return {[type]} [description]
+     * @returns {[type]} [description]
      */
     getInducedChargeLocationDescription: function( balloon, wallVisible, includeWallLocation ) {
       var chargeLocationX = PlayAreaMap.X_LOCATIONS.AT_WALL;
@@ -409,7 +409,7 @@ define( function( require ) {
      *
      * @param {string} chargesShown - one of 'none'|'all'|'diff'
      * @param numberOfCharges
-     * @return {string}
+     * @returns {string}
      */
     getSummaryChargeDescription: function( chargesShown, numberOfCharges ) {
       var chargeString = BASEDescriber.getNeutralChargesShownDescription( chargesShown, numberOfCharges );