Tang Chen 32c627eaf0 Doc: Unify repeatable option comments
There are lots of "this option can be repeated" comments
in the doc, which are not consistent to other similar
docs.

This patch changes them to the following format:

"repeat option to do something"

Change-Id: I54e01053091c428bf87bb36bb95f73a0b80ab6e7
2016-04-12 15:57:17 +08:00
..
2016-03-07 17:54:06 +08:00
2016-04-12 15:57:17 +08:00
2014-01-20 17:28:13 +04:00
2016-02-23 10:38:58 -06:00