[BUGFIX] Fix typo in "Recently updated pages" menu description

Resolves: #81760
Releases: master, 8.7
Change-Id: Ib04e7bd994ae32f02649112e838115003a4a42c0
Reviewed-on: https://review.typo3.org/53370


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Riccardo De Contardi <erredeco@gmail.com>
Reviewed-by: Joerg Boesche <typo3@joergboesche.de>
Tested-by: Joerg Boesche <typo3@joergboesche.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>