[TASK] Changed rowName to sectionName in Documentation FAQ accordion Example (4)

Change-Id: I15b0b0f1acafc08cd9634d1a6022c132e1ec8c1d
Reviewed-on: http://review.typo3.org/32275
Reviewed-by: Armin Ruediger Vieweg <armin@v.ieweg.de>
Tested-by: Armin Ruediger Vieweg <armin@v.ieweg.de>