diff --git a/docs/configuration_file_basics.xml b/docs/configuration_file_basics.xml
index b0e40bd3b..dadfcb52a 100644
--- a/docs/configuration_file_basics.xml
+++ b/docs/configuration_file_basics.xml
@@ -37,7 +37,8 @@
   <caution>
     <para><emphasis role="bold">This article applies to Shorewall 4.3 and
     later. If you are running a version of Shorewall earlier than Shorewall
-    4.3.5then please see the documentation for that release.</emphasis></para>
+    4.3.5 then please see the documentation for that
+    release.</emphasis></para>
   </caution>
 
   <caution>