Index: wp-admin/includes/dashboard.php
===================================================================
--- wp-admin/includes/dashboard.php	(revision 21078)
+++ wp-admin/includes/dashboard.php	(working copy)
@@ -962,7 +962,7 @@
 			continue;
 
 		// current bbPress feed item titles are: user on "topic title"
-		if ( preg_match( '/"(.*)"/s', $item->get_title(), $matches ) )
+		if ( preg_match( '/ on "(.*)"/s', $item->get_title(), $matches ) )
 			$title = $matches[1];
 		else // but let's make it forward compatible if things change
 			$title = $item->get_title();