Add reference note to readme.

kenwith · kenwith · commit 3a6ed79b8d18 · 2017-11-09T12:12:05.000-08:00
diff --git a/README.md b/README.md
@@ -20,7 +20,7 @@ When you contribute your work will go directly into the Microsoft Office product
 ![Image of Automatic Fork message on Github](images/auto_fork.png)
 
 5. You can click the Preview changes link to see what the changes will look like. 
-6. Once you are satisified with your work you submit a Pull Request which asks the maintainer of the main repository (known as Upstream) to pull your edits up. To submit a Pull Request you navigate back to the main repository, https://github.com/microsoftdocs/office-docs-powershell, and click the '''New pull request''' button. You will then request your edits to be pulled up into the main repo.
+6. Once you are satisified with your work you submit a Pull Request which asks the maintainer of the main repository (known as Upstream) to pull your edits up. To submit a Pull Request you navigate back to the main repository, https://github.com/microsoftdocs/office-docs-powershell, and click the '''New pull request''' button. You will then request your edits to be pulled up into the main repo. Make sure to click the **compare across forks** link since you are request a pull from the edits you made that reside in your own personal repsitory. To learn more about pull requests and forking, see https://help.github.com/articles/creating-a-pull-request-from-a-fork/.
 
 
 # Contribute using tools such as Git and Visual Studio Code (advanced)
