diff --git a/MAINTAINING.md b/MAINTAINING.md
index 9b159d60..66e75c55 100644
--- a/MAINTAINING.md
+++ b/MAINTAINING.md
@@ -9,7 +9,7 @@ Series of github actions are used to automate the library [releases](https://git
 `release-drafter` action updates a draft of release notes after each push. Its based on labels and the commit messages, so its important to label pull requests and have clean commits. If the draft contains commits that do not fall under any heading, those commits should be labeled and the drafter re-run from [actions](https://github.com/chartjs/chartjs-plugin-zoom/actions).
 
 1. update `master` `package.json` version using [semver](https://semver.org/) semantic
-1. update the tag and version in the release draft to match `package.json`. Mark it as `pre-release` if you would like to publis with `next` tag on [npmjs](https://www.npmjs.com/package/chartjs-plugin-zoom)
+1. update the tag and version in the release draft to match `package.json`. Mark it as `pre-release` if you would like to publish with `next` tag on [npmjs](https://www.npmjs.com/package/chartjs-plugin-zoom)
 1. publish the release in GitHub. Publishing will trigger the `publish-npm` action. You can monitor the process in [actions](https://github.com/chartjs/chartjs-plugin-zoom/actions)
 
 ### Automated Tasks
diff --git a/docs/guide/options.md b/docs/guide/options.md
index 74afe03b..27177b65 100644
--- a/docs/guide/options.md
+++ b/docs/guide/options.md
@@ -45,7 +45,7 @@ const chart = new Chart('id', {
 | ---- | --------- | -----------
 | `onPan` | `{chart}` | Called while the chart is being panned
 | `onPanComplete` | `{chart}` | Called once panning is completed
-| `onPanRejected` | `{chart,event}` | Called when panning is rejected due to missing modifier key. `event` is the a [hammer event](https://hammerjs.github.io/api#event-object) that failed
+| `onPanRejected` | `{chart,event}` | Called when panning is rejected due to missing modifier key. `event` is a [Hammer event](https://hammerjs.github.io/api#event-object) that failed
 | `onPanStart` | `{chart,event,point}` | Called when panning is about to start. If this callback returns false, panning is aborted and `onPanRejected` is invoked
 
 ## Zoom
@@ -105,7 +105,7 @@ The `drawTime` option for zooming determines where in the chart lifecycle the dr
 | ---- | --------- | -----------
 | `onZoom` | `{chart}` | Called while the chart is being zoomed
 | `onZoomComplete` | `{chart}` | Called once zooming is completed
-| `onZoomRejected` | `{chart,event}` | Called when zoom is rejected due to missing modifier key. `event` is the a [hammer event](https://hammerjs.github.io/api#event-object) that failed
+| `onZoomRejected` | `{chart,event}` | Called when zoom is rejected due to missing modifier key. `event` is a [Hammer event](https://hammerjs.github.io/api#event-object) that failed
 | `onZoomStart` | `{chart,event,point}` | Called when zooming is about to start. If this callback returns false, zooming is aborted and `onZoomRejected` is invoked
 
 ## Limits
diff --git a/docs/samples/wheel/click-zoom.md b/docs/samples/wheel/click-zoom.md
index 20e0ba18..f63fac52 100644
--- a/docs/samples/wheel/click-zoom.md
+++ b/docs/samples/wheel/click-zoom.md
@@ -3,7 +3,7 @@
 ::: tip NOTE
 
 The following text is there on purpose, so the page is scrollable.
-This demoes that the chart does not consume the wheel until clicked.
+This demos that the chart does not consume the wheel until clicked.
 
 :::
 
diff --git a/types/options.d.ts b/types/options.d.ts
index 1d6d5da9..efe2c8b5 100644
--- a/types/options.d.ts
+++ b/types/options.d.ts
@@ -116,7 +116,7 @@ export interface ZoomOptions {
    */
   onZoomRejected?: (context: { chart: Chart, event: Event }) => void;
 
-  onZoomStart?: (context: { chart: Chart, event: Event, point: Point }) => void;
+  onZoomStart?: (context: { chart: Chart, event: Event, point: Point }) => boolean | undefined;
 }
 
 /**
@@ -137,7 +137,7 @@ export interface PanOptions {
    *     return 'xy';
    *   },
    */
-  mode?: Mode | { (char: Chart): Mode };
+  mode?: Mode | { (chart: Chart): Mode };
 
   /**
    * Modifier key required for panning with mouse
@@ -165,7 +165,7 @@ export interface PanOptions {
 
   /**
    * Function called when pan fails because modifier key was not detected.
-   * event is the a hammer event that failed - see https://hammerjs.github.io/api#event-object
+   * event is the Hammer event that failed - see https://hammerjs.github.io/api#event-object
    */
   onPanRejected?: (context: { chart: Chart, event: HammerInput }) => void;