diff --git a/doc/source/install/index.rst b/doc/source/install/index.rst
index 1322049..85ef4ba 100644
--- a/doc/source/install/index.rst
+++ b/doc/source/install/index.rst
@@ -26,7 +26,7 @@ stable/queens. If unspecified the default will be master branch.
   ::
 
     cd tacker-horizon
-    sudo python setup.py install
+    sudo python3 setup.py install
 
 
 3. Enable tacker horizon in dashboard.
@@ -47,14 +47,6 @@ stable/queens. If unspecified the default will be master branch.
 
 5. Restart Apache server.
 
-  ::
-
-    sudo service apache2 restart
-
-
-If your server is using Systemd instead of Upstart (e.g Ubuntu 15.10
-and above), use the following command instead:
-
   ::
 
     sudo systemctl restart apache2
diff --git a/manage.py b/manage.py
index df691be..9937356 100755
--- a/manage.py
+++ b/manage.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
 # not use this file except in compliance with the License. You may obtain