diff --git a/docs/maps/api-ui.md b/docs/maps/api-ui.md
index fc38dc41..286f2ac7 100644
--- a/docs/maps/api-ui.md
+++ b/docs/maps/api-ui.md
@@ -85,5 +85,5 @@ WA.ui.registerMenuCommand("test", () => {
 ```
 
 <div class="col">
-    <img src="./assets/menu-command.png" class="figure-img img-fluid rounded" alt="" />
+    <img src="https://workadventu.re/img/docs/menu-command.png" class="figure-img img-fluid rounded" alt="" />
 </div>
\ No newline at end of file
diff --git a/docs/maps/assets/menu-command.png b/docs/maps/assets/menu-command.png
deleted file mode 100644
index 0caf75c9..00000000
Binary files a/docs/maps/assets/menu-command.png and /dev/null differ
diff --git a/front/src/Api/iframe/chat.ts b/front/src/Api/iframe/chat.ts
index 5f73b744..7d8e6f71 100644
--- a/front/src/Api/iframe/chat.ts
+++ b/front/src/Api/iframe/chat.ts
@@ -23,7 +23,7 @@ class WorkadventureChatCommands extends IframeApiContribution<WorkadventureChatC
             data: {
                 'message': message,
                 'author': author
-            } as ChatEvent
+            }
         })
     }
 
diff --git a/front/src/Api/iframe/nav.ts b/front/src/Api/iframe/nav.ts
index f6add88e..0d31c1ea 100644
--- a/front/src/Api/iframe/nav.ts
+++ b/front/src/Api/iframe/nav.ts
@@ -14,7 +14,7 @@ class WorkadventureNavigationCommands extends IframeApiContribution<Workadventur
             "type": 'openTab',
             "data": {
                 url
-            } as OpenTabEvent
+            }
         });
     }
 
@@ -23,7 +23,7 @@ class WorkadventureNavigationCommands extends IframeApiContribution<Workadventur
             "type": 'goToPage',
             "data": {
                 url
-            } as GoToPageEvent
+            }
         });
     }
 
@@ -32,7 +32,7 @@ class WorkadventureNavigationCommands extends IframeApiContribution<Workadventur
             "type": 'loadPage',
             "data": {
                 url
-            } as LoadPageEvent
+            }
         });
     }
 
@@ -41,7 +41,7 @@ class WorkadventureNavigationCommands extends IframeApiContribution<Workadventur
             "type": 'openCoWebSite',
             "data": {
                 url
-            } as OpenCoWebSiteEvent
+            }
         });
     }
 
diff --git a/front/src/Api/iframe/room.ts b/front/src/Api/iframe/room.ts
index ea990d90..aed4d983 100644
--- a/front/src/Api/iframe/room.ts
+++ b/front/src/Api/iframe/room.ts
@@ -101,10 +101,10 @@ class WorkadventureRoomCommands extends IframeApiContribution<WorkadventureRoomC
         subject.subscribe(callback);
     }
     showLayer(layerName: string): void {
-        sendToWorkadventure({type: 'showLayer', data: {'name': layerName} as LayerEvent});
+        sendToWorkadventure({type: 'showLayer', data: {'name': layerName}});
     }
     hideLayer(layerName: string): void {
-        sendToWorkadventure({type: 'hideLayer', data: {'name': layerName} as LayerEvent});
+        sendToWorkadventure({type: 'hideLayer', data: {'name': layerName}});
     }
     setProperty(layerName: string, propertyName: string, propertyValue: string | number | boolean | undefined): void {
         sendToWorkadventure({
@@ -113,7 +113,7 @@ class WorkadventureRoomCommands extends IframeApiContribution<WorkadventureRoomC
                 'layerName': layerName,
                 'propertyName': propertyName,
                 'propertyValue': propertyValue,
-            } as SetPropertyEvent
+            }
         })
     }
     getCurrentRoom(): Promise<Room> {
diff --git a/front/src/Api/iframe/ui.ts b/front/src/Api/iframe/ui.ts
index 8e9943b2..c7655b84 100644
--- a/front/src/Api/iframe/ui.ts
+++ b/front/src/Api/iframe/ui.ts
@@ -90,7 +90,7 @@ class WorkAdventureUiCommands extends IframeApiContribution<WorkAdventureUiComma
             'type': 'registerMenuCommand',
             'data': {
                 menutItem: commandDescriptor
-            } as MenuItemRegisterEvent
+            }
         });
     }
 
diff --git a/front/src/WebRtc/MediaManager.ts b/front/src/WebRtc/MediaManager.ts
index 0d8a05f2..fb85252f 100644
--- a/front/src/WebRtc/MediaManager.ts
+++ b/front/src/WebRtc/MediaManager.ts
@@ -432,15 +432,15 @@ export class MediaManager {
         }
         element.classList.add('active');
         element.childNodes.forEach((value: ChildNode, index) => {
-            const elementChildre = element.children.item(index);
-            if (!elementChildre) {
+            const elementChildren = element.children.item(index);
+            if (!elementChildren) {
                 return;
             }
-            elementChildre.classList.remove('active');
+            elementChildren.classList.remove('active');
             if ((index + 1) > volume) {
                 return;
             }
-            elementChildre.classList.add('active');
+            elementChildren.classList.add('active');
         });
     }