[BUGFIX] Fix typos in stdWrap_crop description

Change-Id: Ic6b3a4f399779cd13c231901b92386de79465adc
Fixes: #43919
Releases: 6.1, 6.0, 4.7, 4.6, 4.5
Reviewed-on: https://review.typo3.org/17494
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn