diff --git a/doc/api/appendix_1.markdown b/doc/api/appendix_1.markdown
index 0e6161dbf3..dd71bc9d61 100644
--- a/doc/api/appendix_1.markdown
+++ b/doc/api/appendix_1.markdown
@@ -15,7 +15,7 @@ elsewhere.
 
 - Web Framework: [Express](http://github.com/visionmedia/express)
 
-- Web Sockets: [Socket.IO](http://github.com/LearnBoost/Socket.IO-node)
+- Web Sockets: [Socket.IO](https://github.com/learnboost/socket.io)
 
 - HTML Parsing: [HTML5](http://github.com/aredridel/html5)