// If no summary was given and we only undid one rev,
// use an autosummary
if ( is_null( $params['summary'] ) && $titleObj->getNextRevisionID( $undoafterRev->getID() ) == $params['undo'] ) {
- $params['summary'] = wfMsgForContent( 'undo-summary', $params['undo'], $undoRev->getUserText() );
+ $params['summary'] = wfMessage( 'undo-summary', $params['undo'], $undoRev->getUserText() )->inContentLanguage()->text();
}
}