diff --git a/db_structure.xml b/db_structure.xml
index b99e251525..a55cc18cc7 100644
--- a/db_structure.xml
+++ b/db_structure.xml
@@ -548,7 +548,9 @@
 	</table>
 
 	<table>
-
+		<!--
+		A simple list of groups.
+		-->
 		<name>*dbprefix*groups</name>
 
 		<declaration>