[TASK] Add missing closing quote in phpDoc

Resolves: #63369
Releases: master,6.2
Change-Id: I325193f7739757c81eb8ad4cf6fbbbe8a0ad1425
Reviewed-on: http://review.typo3.org/34716
Reviewed-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Tested-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Reviewed-by: Jigal van Hemert <jigal.van.hemert@typo3.org>
Tested-by: Jigal van Hemert <jigal.van.hemert@typo3.org>