diff --git a/reference/rar/rararchive/open.xml b/reference/rar/rararchive/open.xml
index fe95a7ce4b..a17805cd16 100644
--- a/reference/rar/rararchive/open.xml
+++ b/reference/rar/rararchive/open.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
 
 <refentry xml:id="rararchive.open" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">