diff --git a/README.md b/README.md
index 2834bfd22..45e6bd1b4 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 rabit is a light weight library that provides a fault tolerant interface of Allreduce and Broadcast. It is designed to support easy implementations of distributed machine learning programs, many of which fall naturally under the Allreduce abstraction.
 
 * [Guide Tutorial of Rabit](guide)
-* [API Documentation](http://home.cs.washington.edu/~tqchen/rabit/doc)
+* [API Documentation](http://homes.cs.washington.edu/~tqchen/rabit/doc)
 * You can also directly read the [interface header](include/rabit.h)
 
 Features
diff --git a/guide/README.md b/guide/README.md
index 3666f3d92..c019440eb 100644
--- a/guide/README.md
+++ b/guide/README.md
@@ -3,7 +3,7 @@ Tutorial of Rabit
 This is an tutorial of rabit, a ***Reliable Allreduce and Broadcast interface***.
 To run the examples locally, you will need to type ```make``` to build all the examples.
 
-Please also refer to the [API Documentation](http://home.cs.washington.edu/~tqchen/rabit/doc)
+Please also refer to the [API Documentation](http://homes.cs.washington.edu/~tqchen/rabit/doc)
 
 
 **List of Topics**