diff --git a/man/common-variables.xml b/man/common-variables.xml
index 35ac98048fd..0113d1b6bb2 100644
--- a/man/common-variables.xml
+++ b/man/common-variables.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!DOCTYPE refsection PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+<!DOCTYPE refsect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
 <!-- SPDX-License-Identifier: LGPL-2.1-or-later -->