DOC: changed 'providing' to 'that provides'
Changed this as it sounds more clear.

- [ ] closes #xxxx
- [ ] tests added / passed
- [ ] passes `black pandas`
- [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

Hey! This is my first commit. The Travis CI failed to build. What do I do?