fix(config) document useRoomAsSharedDocumentName

config.js

     // is not persisting the local storage inside the iframe.
     // useHostPageLocalStorage: true,
 
+    // etherpad ("shared document") integration.
+    //
+
+    // If set, add a "Open shared document" link to the bottom right menu that
+    // will open an etherpad document.
+    // etherpad_base: 'https://your-etherpad-installati.on/p/',
+
+    // If etherpad_base is set, and useRoomAsSharedDocumentName is set to true,
+    // open a pad with the name of the room (lowercased) instead of a pad with a
+    // random UUID.
+    // useRoomAsSharedDocumentName: true,
+
     // List of undocumented settings used in jitsi-meet
     /**
      _immediateReloadThreshold
      dialOutCodesUrl
      disableRemoteControl
      displayJids
-     etherpad_base
      externalConnectUrl
      firefox_fake_device
      googleApiApplicationClientID