[BUGFIX] Fix typo in RST file

Resolves: #85598
Related: #85553
Releases: master
Change-Id: Ib5c0a6850c79880eac0eb47dab957083ca328e2b
Reviewed-on: https://review.typo3.org/57633


Reviewed-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Tested-by: Mathias Schreiber <mathias.schreiber@typo3.com>
Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>