docs: fix link formatting in CONTRIBUTING

9f452a62 · Colin Woodbury · 1e31db47 · 9f452a62
Unverified Commit 9f452a62 authored Feb 21, 2022 by Colin Woodbury
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -7,7 +7,7 @@ Before sending patches, you are recommended to run `flake8` and `isort`.
 You can add a git hook to do this by installing `python-pre-commit` and running
 `pre-commit install`.

-[1] https://lists.archlinux.org/listinfo/aur-dev
+[1]: https://lists.archlinux.org/listinfo/aur-dev

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