Update code_review.rst

docs/contribute/code_review.rst

@@ -46,8 +46,8 @@ Respect each other
 ------------------
 The code reviewers and contributors are paying the most precious currencies in the world -- time. We are volunteers in the community to spend the time to build good code, help each other, learn and have fun hacking.
 
-Approve Code Reviews
---------------------
+Approve Changes
+---------------
 The contributor and code owner can request code reviews from multiple reviewers.
-Code owner can decide if the code can be merged in case by case if some of the reviewers did not respond in time(e.g. a week)
-and existing reviews are sufficient. Remember to approve your code reviews when your comments are addressed.
+Code owner can decide if the code can be merged in case by case if some of the reviewers did not respond in time(e.g. a week) and existing reviews are sufficient. 
+Remember to approve changes when your comments are addressed in a code review.