How to reproduce:
1. Create a new Unity project
2. Import the Profile Analyzer package
3. Open the Profile Analyzer window and load/pull some data
4. Next to the frame graph at the top of the Profile Analyzer window expand the ms drop-down and select '66.7 ms'
5. Hover over the drop-down to display the tooltip

Expected result: the tooltip does not contain a closing parenthesis ) at the end
Actual result: the tooltip contains a closing parenthesis ) at the end

Reproducible with: 2018.4.20f1, 2019.3.7f1, 2020.1.0b4, 2020.2.0a5
Could not test with: 2017.4.39f1(package unavailable)

Reproducible with package versions: preview.6 - 0.4.0, preview.1 - 0.6.0

Notes:
Tooltip text: 'Graph Scale : 4 60Hz frames)'
Only the 66.7 ms tooltip is affected