docs: update mention of ignores (#544)

Author: henryiii

README.md

@@ -233,8 +233,9 @@ mark checks as ignored.
 
 For example, `GH101` expects all your action files to have a nice `name:` field.
 If you are happy with the file-based names you see in CI, you should feel free
-to simply ignore this check (just visually ignore it for the moment, a way to
-specify ignored checks will likely be added eventually).
+to simply ignore this check (you can specify ignored checks in pyproject.toml or
+by passing args to repo-review, see the [repo-review
+docs][repo-review configuring]).
 
 All checks are mentioned at least in some way in the [Scientific-Python
 Development Guide][]. You should read that first - if you are not attempting to
@@ -362,6 +363,7 @@ for family, grp in itertools.groupby(collected.checks.items(), key=lambda x: x[1
 <!-- [[[end]]] -->
 
 [repo-review]: https://repo-review.readthedocs.io
+[repo-review configuring]: https://repo-review.readthedocs.io/en/latest/intro.html#configuring
 [scientific-python development guide]: https://learn.scientific-python.org/development
 [scientific-python/cookie]: https://github.com/scientific-python/cookie
 [scikit-hep]: https://scikit-hep.org