Clarify a source comment about configuration template categories.

(closes issue #18578)
Reported by: astmiv
Patches:
      asterisk.main.config.2.patch uploaded by astmiv (license 1189)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@302836 65c4cc65-6c06-0410-ace0-fbb531ad65f3