[Doc] Section changeMerge is not properly formatted, some small fixes

The Section 'changeMerge' in the Documentation is not properly formatted
and also the Section commentlink was incorrect.
Repaired the section formatting across the entire file.

Change-Id: Id3ae4cfdf31f829892a3258395ff5bf859616501
Signed-off-by: Remy Bohmer <linux@bohmer.net>
1 file changed