Fix the descriptions of some of the MeetMeAdmin options (issue #8098, mflorell)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@46065 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_meetme.c

@@ -274,9 +274,9 @@ static const char *descrip3 =
 "      's' -- Lower entire conference speaking volume\n"
 "      'S' -- Raise entire conference speaking volume\n"
 "      't' -- Lower one user's talk volume\n"
-"      'T' -- Lower all users talk volume\n"
+"      'T' -- Raise one user's talk volume\n"
 "      'u' -- Lower one user's listen volume\n"
-"      'U' -- Lower all users listen volume\n"
+"      'U' -- Raise one user's listen volume\n"
 "      'v' -- Lower entire conference listening volume\n"
 "      'V' -- Raise entire conference listening volume\n"
 "";