message: A typo in the description
diff: ///////////////////////////////////////////////////////////////////////////
  // //
  -// AliFemtoWRzTrackCut: An extention to AliFemtoMJTrackCut //
  +// AliFemtoWRzTrackCut: An extension to AliFemtoMJTrackCut //
  // The method allows you to set different cut on DCA for different pt ranges //
  ///////////////////////////////////////////////////////////////////////////
  