DOC: Updating capitalization in folder doc/source/reference
- [X] xref #32550

@datapythonista  Ok I will work on that!


> Le 19 mars 2020 à 16:20, Marc Garcia <notifications@github.com> a écrit :
> 
> ﻿
> @datapythonista approved this pull request.
> 
> Thanks for working on this @cleconte987, looks great.
> 
> What would be very useful is to add the files that are fixed to https://github.com/pandas-dev/pandas/blob/master/ci/code_checks.sh#L330, so no more errors are being introduced in those fails (the CI will fail and let us know if any PR introduces titles capitalized incorrectly).
> 
> If you can add it to this PR that would be great.
> 
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 Thanks @cleconte987, changes look great. But looks like there are still several errors in that directory. Most of them need to be added here: https://github.com/pandas-dev/pandas/blob/master/scripts/validate_rst_title_capitalization.py#L20

Do you mind adding them, and fixing the cases that need it, if any? Thanks! Hello @cleconte987! 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 2020-03-27 07:48:21 UTC Ok.. again failures in the PR sorry for that. I know now why I putted "GroupBy" as an exception. Because it is written like that in title in file doc/source/reference/groupby.rst
I will re-update the PR. Should I add it to exceptions or not? I think it should Thank you.

Yes I understand now for the case of "groupby/GroupBy", but yeah it was not passing the tests then. Ok :) @cleconte987 can you merge upstream master to resolve conflicts I guess everything that this PR was proposing has already been fixed in master, since no changes appear in the diff. Closing, let me know if that's not correct @cleconte987, happy to reopen this is the problem is another one. No everything was updated, indeed!