How to address COVID19 unemployment gap on resume (Class of 2020)

Hi everyone, I recently graduated in May 2020 and have been unemployed till early Oct 2020. I was having trouble finding a job due to the pandemic. During this time, I mainly studied for the LSAT and took care of my 9 year brother since schools are closed now. How would I address this gap (May-Oct) on my resume? Should I have a footnote somewhere or it is not necessary to address? I assume most people would assume the gap is due to the pandemic anyway. Any advice is appreciated, thanks!