diff --git a/README.md b/README.md
index d04c7253..71b09565 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Codespeed
 A web application to monitor and analyze the performance of your code.
 
-It is known to be used by [PyPy](speed.pypy.org) and [Twisted](speed.twistedmatrix.com).
+It is known to be used by [PyPy](http://speed.pypy.org) and [Twisted](http://speed.twistedmatrix.com).
 
 # Requirements
 You will need Python 2.6+ and Django 1.1+.