chore: minor fixes in the ViewCube example

Author: HoyosJuan

packages/obc/src/core/ViewCube/example.ts

@@ -68,9 +68,7 @@ viewport.append(viewCube);
 
 /* MD
   This attaches the ViewCube to your viewport and links it to your camera's Three.js instance.
-*/
-
-/* MD
+  
   ### 🔄 Keeping the ViewCube in Sync
 
   To keep the ViewCube orientation updated as the camera moves, listen for camera control updates:
@@ -86,7 +84,7 @@ world.camera.controls.addEventListener("update", () =>
   You can let users click on the ViewCube to change the camera's orientation. For example, set the camera to a specific view when the left face is clicked:
 */
 
-viewCube.addEventListener("back", () => {
+viewCube.addEventListener("leftclick", () => {
   world.camera.controls.setLookAt(-10, 10, 0, 1, 10, 0, true);
 });