Index: suffix-urlfilter.txt
===================================================================
--- suffix-urlfilter.txt	(revision 540008)
+++ suffix-urlfilter.txt	(working copy)
@@ -1,7 +1,9 @@
 # config file for urlfilter-suffix plugin
 
 # case-insensitive, allow unknown suffixes
-+I
+#I = case insensitive
+#P = filter the URL based the url path
++IP
 
 ### prohibit these
 # pictures