There is a punctuation issue in the default review message.

Steps:
1. Open a content item in the Content Editor and send it for review leaving the optional review message blank.
2. Return to Content Editor and examine the Approval Timeline.
Actual: The message says "Please, review the content".
Expected: The message says "Please review the content".

Remarks: For reference please see: http://english.stackexchange.com/questions/389/in-what-cases-should-i-use-a-comma-after-please/35126#35126