fix for : CRM-12130
CRM-12130 adding comment to code for future improvement as suggested by totten in PR
minor fix for CRM-12153 : Tag Merge UI break
Merge pull request #197 from pratik-joshi/CRM-12130

fix for : CRM-12130
Merge pull request #202 from pratik-joshi/CRM-12153-tag-merge-UI-break-fixes

minor fix for 'Tag Merge UI break'  found during qa of CRM-12153