diff --git a/reference/domxml/functions/DomNode-append-sibling.xml b/reference/domxml/functions/DomNode-append-sibling.xml
index 41d0e0cbe1..b69433c338 100644
--- a/reference/domxml/functions/DomNode-append-sibling.xml
+++ b/reference/domxml/functions/DomNode-append-sibling.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
+<!-- $Revision: 1.2 $ -->
   <refentry id='function.DomNode-append-sibling'>
    <refnamediv>
     <refname>DomNode->append_sibling</refname>