diff --git a/docs/source/cluster.rst b/docs/source/cluster.rst
index 84c0751fa..b6a9e2f53 100644
--- a/docs/source/cluster.rst
+++ b/docs/source/cluster.rst
@@ -73,9 +73,9 @@ Erlang nodes authenticate each other by a magic cookie when communicating. The c
 
 .. NOTE:: Content of this chapter is from: http://erlang.org/doc/reference_manual/distributed.html
 
----------------------
-emqttd Cluster Design
----------------------
+--------------
+Cluster Design
+--------------
 
 The cluster architecture of emqttd broker is based on distrubuted Erlang/OTP and Mnesia database.
 
diff --git a/docs/source/install.rst b/docs/source/install.rst
index 962d37d41..1484738b8 100644
--- a/docs/source/install.rst
+++ b/docs/source/install.rst
@@ -13,11 +13,11 @@ The emqttd broker is cross-platform, which could be deployed on Linux, FreeBSD,
 
 .. _install_download:
 
-----------------
-Download Package
-----------------
+-----------------
+Download Packages
+-----------------
 
-Download binary package from: http://emqtt.io/downloads
+Download binary packages from: http://emqtt.io/downloads
 
 +-----------+-----------------------------------+
 | Ubuntu    | http://emqtt.io/downloads/ubuntu  |