Clarified box-and-whiskers chart documentation...
Clarified box-and-whiskers chart documentation
The documentation now explains that the label is the category of
QBarCategoryAxis that is used for slots in box-and-whiskers chart.
Change-Id: I6a16a0f02f49790ab923c1a4432dc308d8246fc2
Task-number: QTRD-3697
Reviewed-by: Mika Salmela <mika.salmela@theqtcompany.com>