we don't support space seperator in names CSV

vice-speaker-rotator.py

@@ -190,9 +190,8 @@ def make_parser():
                        help = 'names to schedule in their speaking order')
     group.add_argument('-f', '--namesfile',
                        metavar = 'FILE',
-                       help = 'path of a file that contains a whitespace ' +\
-                       'and/or comma seperated list of names to schedule in ' +\
-                       'their speaking order')
+                       help = 'path of a file that contains a comma-seperated' +\
+                       ' list of names to schedule in their speaking order')
 
     parser.add_argument('-c', '--constraintsfile',
                         metavar = 'FILE',