Merge pull request #12252 from kostickm/update-contributor-guide-docs

Docs cleanup - Contributor Guide

docs/sources/project/find-an-issue.md

@@ -158,7 +158,7 @@ To sync your repository:
         origin	https://github.com/moxiegirl/docker.git (fetch)
         origin	https://github.com/moxiegirl/docker.git (push)
         upstream	https://github.com/docker/docker.git (fetch)
-        upstream	https://github.com/docker/docker.git (
+        upstream	https://github.com/docker/docker.git (push)
 
     If the `upstream` is missing, add it.
 

docs/sources/project/work-issue.md

@@ -149,7 +149,7 @@ You should pull and rebase frequently as you work.
 
 2. Make sure you are in your branch.
 
-		$ git branch 11038-fix-rhel-link
+		$ git checkout 11038-fix-rhel-link
 
 3. Fetch all the changes from the `upstream master` branch.