[BUGFIX] Fix wrong doc example

Resolves: #60969
Change-Id: I8ec2e54defa6758f8942018d16bce83bf00c6696
Reviewed-on: http://review.typo3.org/35679
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>