Should footnotes in markdown work here ^[1]?

Or this ^[note]?

https://docs.github.com/en/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax#footnotes

1. Not sure what I'm doing wrong. ↩

2. Still not working.
   Not sure what I'm doing wrong. ↩