diff --git a/HowtoContributeABuildbot.md b/HowtoContributeABuildbot.md
index 00337db..61047b5 100644
--- a/HowtoContributeABuildbot.md
+++ b/HowtoContributeABuildbot.md
@@ -29,7 +29,7 @@ my buildslaves under a separate user account which doesn't have
 access to my personal stuff or to root privileges.
 
 Step 3: choose a name for your buildslave which will fit into the  
-list of buildslave names: <http://allmydata.org/buildbot/buildslaves> .  
+list of buildslave names: <http://tahoe-lafs.org/buildbot/buildslaves> .  
 A hostname would be a good choice.
 
 Step 4: Receive a password from Zooko by email.