--- a/Explainer.st	Tue May 03 14:59:46 2016 +0200
+++ b/Explainer.st	Tue May 03 15:01:20 2016 +0200
@@ -1134,7 +1134,7 @@
             tmp := ' is a selector implemented in '.
         ].
         s := "'#' ," string allBold.
-        s := s actionForAll:[ UserPreferences systemBrowserClass browseImplementorsOf:selector in:listOfImplementingClasses ].
+        s := s actionForAll:[ UserPreferences systemBrowserClass browseImplementorsOf:selector ].
         
         shortText ifTrue:[
             |typesDescription|