DOC: Docstring updated for DataFrame.equals
- [ ] closes #34498 

Hello @freakypandit! Thanks for updating this PR. We checked the lines you've touched for [PEP 8](https://www.python.org/dev/peps/pep-0008) issues, and found:



There are currently no PEP 8 issues detected in this Pull Request. Cheers! :beers: 

##### Comment last updated at 2020-08-07 18:32:08 UTC @freakypandit do you have time to finish this up, else I can pick it up. @freakypandit can you fix the lint failure. @simonjayhawkins I will try to do this.  I fixed the trailing whitespace (that was the linting failure) Thanks @freakypandit !