diff --git a/contrib/exitlist b/contrib/exitlist
index 878d21cf18..96be25a7fa 100755
--- a/contrib/exitlist
+++ b/contrib/exitlist
@@ -16,6 +16,9 @@
 
     cat ~/.tor/cached-routers* | python exitlist
 
+ If you're using Tor 0.1.1.18-rc or later, you should look at
+ the "FetchUselessDescriptors" config option in the man page.
+
 """
 
 #