diff --git a/faradays-law-tests.html b/faradays-law-tests.html
index f3e7f424..79a112f6 100644
--- a/faradays-law-tests.html
+++ b/faradays-law-tests.html
@@ -42,7 +42,7 @@
           "adapted-from-phet"
         ],
         "supportsSound": true,
-        "supportsInteractiveDescriptions": true,
+        "supportsInteractiveDescription": true,
         "simulation": true
       },
       "eslintConfig": {
diff --git a/faradays-law_a11y_view.html b/faradays-law_a11y_view.html
index fde712bf..edb0e6e3 100644
--- a/faradays-law_a11y_view.html
+++ b/faradays-law_a11y_view.html
@@ -224,10 +224,10 @@ <h3>PDOM & Descriptions for Faraday's Law</h3>
   }
 
   const noPostMessage = simulationQueryString.indexOf( 'postMessageOnLoad&postMessageOnError' ) === -1;
-  const noAccessibility = simulationQueryString.indexOf( 'supportsDescriptions' ) === -1;
+  const noAccessibility = simulationQueryString.indexOf( 'supportsDescription' ) === -1;
 
   noPostMessage && ( simulationQueryString += 'postMessageOnLoad&postMessageOnError&' );
-  noAccessibility && ( simulationQueryString += 'supportsDescriptions' );
+  noAccessibility && ( simulationQueryString += 'supportsDescription' );
 
   const repoLocale = 'faradays-law_en';
   const filenameEnding = IS_BUILT ? '_phet.html' : '.html';
diff --git a/faradays-law_en.html b/faradays-law_en.html
index f502a3cc..26ff312c 100644
--- a/faradays-law_en.html
+++ b/faradays-law_en.html
@@ -41,7 +41,7 @@
           "adapted-from-phet"
         ],
         "supportsSound": true,
-        "supportsInteractiveDescriptions": true,
+        "supportsInteractiveDescription": true,
         "simulation": true
       },
       "eslintConfig": {
diff --git a/package.json b/package.json
index 4ac27784..99740d30 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
       "adapted-from-phet"
     ],
     "supportsSound": true,
-    "supportsInteractiveDescriptions": true,
+    "supportsInteractiveDescription": true,
     "simulation": true
   },
   "eslintConfig": {