[BUGFIX] Fix docuemntation table structure

Change-Id: Ic0fe43d4f1b176cad08f25d7acfb5c0908eeabae
Reviewed-on: http://review.typo3.org/32896
Reviewed-by: Tim Lochmüller <tim@fruit-lab.de>
Tested-by: Tim Lochmüller <tim@fruit-lab.de>