Clarify the meaning of author in commit messages (#231)

Author: t00sa

source/Reviewers/howtocommit.rst

@@ -537,15 +537,15 @@ An editor will open requesting a log message which should be in this format:
 
             #ticket_number : Author : Ticket title
 
-        where author is the srs username.
+        where author is the SRS username of the developer - usually the Reported By field on the ticket.
 
     .. tab-item:: LFRic Core
 
         .. code-block::
 
             #<ticket number> for <original author>: <ticket title>
 
-        where original author is the authors proper name.
+        where original author is the dveloper's proper name.
 
 .. note::
      New!! Remove any **blocks:** and **blockedby:** keywords from this ticket and any referenced. Comment on any unblocked tickets to alert the developers.