Update quickstart.rst

docs/source/quickstart.rst

diff --git a/docs/source/quickstart.rst b/docs/source/quickstart.rst
index e15b60e..1dd2008 100644
--- a/docs/source/quickstart.rst
+++ b/docs/source/quickstart.rst
@@ -43,7 +43,7 @@
 
     .. code:: bash
 
-        git clone -b mpw-6c  <your github repo URL> caravel_example
+        git clone -b mpw-7a  <your github repo URL> caravel_example
 	
 #.  Now that your git environment is setup, it's time to setup your local environment by running.