diff --git a/src/modules/ldap/doc/ldap_admin.xml b/src/modules/ldap/doc/ldap_admin.xml
index 214582489ff..0e3f146ef7a 100644
--- a/src/modules/ldap/doc/ldap_admin.xml
+++ b/src/modules/ldap/doc/ldap_admin.xml
@@ -440,7 +440,7 @@ ldap_client_bind_timeout = 500
       <title>Parameters</title>
 
       <section>
-        <title>config_file (string)</title>
+        <title><varname>config_file</varname> (string)</title>
 
         <para>Full path to LDAP configuration file.</para>