Add note to parameter help description for --keep-basename (#727) #479

Job	Run time
Lint (Python 3.10 on ubuntu-latest)	1m 5s
Test (Python 3.8 on macos-latest)	58s
Test (Python 3.9 on macos-latest)	1m 2s
Test (Python 3.10 on macos-latest)	1m 0s
Test (Python 3.11 on macos-latest)	1m 1s
Test (Python 3.12 on macos-latest)	59s
Test (Python 3.8 on ubuntu-latest)	46s
Test (Python 3.9 on ubuntu-latest)	44s
Test (Python 3.10 on ubuntu-latest)	53s
Test (Python 3.11 on ubuntu-latest)	44s
Test (Python 3.12 on ubuntu-latest)	46s
Test (Python 3.8 on windows-latest)	2m 56s
Test (Python 3.9 on windows-latest)	2m 58s
Test (Python 3.10 on windows-latest)	2m 51s
Test (Python 3.11 on windows-latest)	3m 2s
Test (Python 3.12 on windows-latest)	2m 41s
	24m 26s

Provide feedback