Update PrinciplesReviewWorkflow.md for clarity and fix typos

docs/PrinciplesReviewWorkflow.md

@@ -3,16 +3,16 @@ layout: doc
 title: Principle Review Process
 ---
 
-This page describes the process for reviewing, updating, and creating [OBO Foundry Principles](http://obofoundry.github.io/principles/fp-000-summary.html).
+This page describes the process for reviewing, updating, and creating [OBO Foundry Principles](http://obofoundry.github.io/principles/fp-000-summary.html) by the OBO Foundry Editorial Working Group.
 
-- Discuss the principle on working group call
+- Discuss the principle during a working group call
 - Write up proposed revisions as a GitHub issue (not a pull request)
 - Inform the Editorial WG via email that the ticket needs discussion (if it doesn’t happen automatically)
-- Two-week commenting period on GitHub issue tracker
+- Two-week commenting period on the GitHub issue tracker
 - Make any incremental improvements on the tracker
-- When the Editorial WG agrees on a final version, discuss on an Operations Committee call or via the issue tracke
+- When the Editorial WG agrees on a final version, discuss on an Operations Committee call or via the issue tracker
 - Make a pull request
 - Two-week commenting period on the pull request
-- Upload final changes to OBO Foundry web site for public viewing.
+- Upload final changes to OBO Foundry web site for public viewing
 
 The need for a new principle can arise when an existing principle tries to cover too much and requires splitting, or as new needs arise within the community.