Fix typo errors in devstack documentation
This submission fixes typo errors in following files
1. contributing.rst
2. exerciserc.rst
3. faq.rst
4. local.conf.rst
5. openrc.rst
Change-Id: I2b2d61673c3c95f60c56978b5a81016603fef252
diff --git a/doc/source/contributing.rst b/doc/source/contributing.rst
index 8c9e658..b2a219b 100644
--- a/doc/source/contributing.rst
+++ b/doc/source/contributing.rst
@@ -5,7 +5,7 @@
DevStack uses the standard OpenStack contribution process as outlined in
`the OpenStack wiki 'How To
Contribute' <https://wiki.openstack.org/wiki/How_To_Contribute>`__. This
-means that you will need to meet the requirements of the Contribututors
+means that you will need to meet the requirements of the Contributors
License Agreement (CLA). If you have already done that for another
OpenStack project you are good to go.