Update RCloneSync.py

Author: hildogjr

RCloneSync.py

@@ -512,7 +512,7 @@ def releaseLock(caller):
 		type=int,
 		default=None)
 	parser.add_argument('-n', '--no-local-delete',
-		help="Don't delete any local files",
+		help="Don't delete any local files.",
 		action='store_true')
 	args = parser.parse_args()