InitialFocusLost comment

index.html

@@ -899,8 +899,8 @@ <h2><dfn>CaptureController</dfn></h2>
                     <td><dfn>[[\InitialFocusLost]]</dfn></td>
                     <td><code>false</code></td>
                     <td>
-                      Ensures that calls to {{CaptureController/setFocusBehavior()}} fail
-                      without throwing if the user manually focuses another tab or native application.
+                      Whether focus was lost after {{MediaDevices/getDisplayMedia()}}
+                      was called.
                     </td>
                   </tr>
                   <tr>