By default, Bright Analytics, will automatically generate a report name which is based on the dimensions / metrics / date range for your report.
Sometimes you will want to override this and set a specific name. This is easy!
To rename a report:
Expand the menu for the dashboard where the report lives
Find the report you want to rename from the list
Click the right-hand side of the report menu entry and click 'rename'
Type the name you want and hit 'enter'