diff --git a/Irb.mw b/Irb.mw
index 486c418c..16d0c81a 100644
--- a/Irb.mw
+++ b/Irb.mw
@@ -58,6 +58,7 @@ IRB.conf[:LOAD_MODULES] ||= []
 IRB.conf[:LOAD_MODULES] |= ['irb/completion'] 
 </pre>
 
+Alternative: [http://www.rubyinside.com/wirble-tab-completion-and-syntax-coloring-for-irb-336.html Wirble]
 
 
 {{Rübÿ Spëëd Mëtäl Cödïng}}