[SPARK-45044] Refine docstring of `groupBy/rollup/cube`

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: Documentation, PySpark
• Labels: pull-request-available
• Assignee: BingKun Pan
• Reporter: BingKun Pan
• Created: 01/Sep/23 03:29
• Updated: 11/Sep/23 00:35
• Resolved: 11/Sep/23 00:34

Issue Links

• links to: [Github] Pull Request #42834 (panbingkun)
• links to: GitHub Pull Request #42834