[TASK] Fixed indention in documentation

Change-Id: Id8d7c2a4fc8e9ef1552009ca3b7725f4cbcd36ae
Reviewed-on: http://review.typo3.org/32277
Reviewed-by: Armin Ruediger Vieweg <armin@v.ieweg.de>
Tested-by: Armin Ruediger Vieweg <armin@v.ieweg.de>