doc: remove repeated words in contribution guide

Signed-off-by: Yong Wang <wang.yong19@zte.com.cn>
Acked-by: John McNamara <john.mcnamara@intel.com>
This commit is contained in:
Yong Wang 2016-12-06 07:30:49 -05:00 committed by Thomas Monjalon
parent 247bde5231
commit a56d1d5576

View File

@ -332,7 +332,7 @@ Whitespace
Section Headers
~~~~~~~~~~~~~~~
* Section headers should use the use the following underline formats::
* Section headers should use the following underline formats::
Level 1 Heading
===============