diff --git a/devstack/README.rst b/devstack/README.rst
index ab936231c..59e216ef3 100644
--- a/devstack/README.rst
+++ b/devstack/README.rst
@@ -1,16 +1,21 @@
-====================
-Enabling in Devstack
-====================
+============================
+Enabling Mistral in Devstack
+============================
 
 1. Download DevStack::
 
     git clone https://github.com/openstack-dev/devstack.git
     cd devstack
 
-2. Add this repo as an external repository::
+2. Add this repo as an external repository in ``local.conf`` file::
 
      > cat local.conf
      [[local|localrc]]
      enable_plugin mistral https://github.com/openstack/mistral
 
+    To use stable branches, make sure devstack is on that branch, and specify
+    the branch name to enable_plugin, for example::
+
+      enable_plugin mistral https://github.com/openstack/mistral stable/newton
+
 3. run ``stack.sh``