Clarify workflow.md

Update sentence for phrasing.

Author: Amanda Butler

docs/reference/contributing/guidelines/workflow.md

@@ -33,7 +33,7 @@ Before contributing an enhancement (new feature, new port and so on), please [di
 
 We can only accept contributions through GitHub if you create a pull request from forked versions of our repositories. This allows us to review the contributions in an easy-to-use and reliable way, under public scrutiny.
 
-Please create separate pull requests for each concern; each pull request needs a clear unity of purpose. In particular, separate code formatting and style changes from functional changes. This makes each pull request’s true contribution clearer and makes each pull request quicker and easier to review.
+Please create separate pull requests for each concern; each pull request needs a clear unity of purpose. In particular, separate code formatting and style changes from functional changes. This makes each pull request’s true contribution clearer, so review is quicker and easier.
 
 ##### Reporting bugs