diff --git a/README.markdown b/README.markdown
index c15c450..ec7cabe 100644
--- a/README.markdown
+++ b/README.markdown
@@ -60,4 +60,4 @@ Find out how to contribute: <http://prototypejs.org/contribute>.
 Documentation
 -------------
 
-Please see the online Prototype API: <http://prototypejs.org/api>.
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+Please see the online Prototype API: <http://api.prototypejs.org>.
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