The correct right is "suppressrevision", not "hiderevision". The latter is for Oversi...

diff --git a/includes/specials/SpecialRevisiondelete.php b/includes/specials/SpecialRevisiondelete.php
index b777b35..7466191 100644 (file)
--- a/includes/specials/SpecialRevisiondelete.php
+++ b/includes/specials/SpecialRevisiondelete.php
@@ -531,7 +531,7 @@ class RevisionDeleteForm {
        private function addUsageText() {
                global $wgOut, $wgUser;
                $wgOut->addWikiMsg( 'revdelete-text' );
-               if( $wgUser->isAllowed( 'hiderevision' ) ) {
+               if( $wgUser->isAllowed( 'suppressrevision' ) ) {
                        $wgOut->addWikiMsg( 'revdelete-suppress-text' );
                }
        }