diff --git a/api-guide/source/index.rst b/api-guide/source/index.rst
index 20c1005f0c..e4babaa6a0 100644
--- a/api-guide/source/index.rst
+++ b/api-guide/source/index.rst
@@ -39,7 +39,7 @@ access to your own deployment, and you should also be familiar with the
 following concepts:
 
 *  OpenStack Compute service
-*  ReSTful web services
+*  ReSTful HTTP services
 *  HTTP/1.1
 *  JSON data serialization formats