Index: src/templates/default/css/bbpress.css
===================================================================
--- src/templates/default/css/bbpress.css	(revision 6872)
+++ src/templates/default/css/bbpress.css	(working copy)
@@ -160,7 +160,7 @@
 }
 
 #bbpress-forums .bbp-forums-list .bbp-forum.css-sep:not(:last-child):after {
-	content: ', ';
+	content: ", ";
 }
 
 #bbpress-forums li.bbp-footer p {