@xref should be terminated by either a ',' or '.'. Change-Id: I141335cd4e149992fc971c6f2c04f1dbe390c8f4 Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk> Reviewed-on: http://openocd.zylin.com/1637 Tested-by: jenkins Reviewed-by: Xiaofan <xiaofanc@gmail.com>tags/v0.8.0-rc1