Fix broken link
Link for SLA template was broken
@@ -178,7 +178,7 @@ Changes to `.py` files will be effective immediately.
If you've made a contribution to spaCy, you should fill in the
[spaCy contributor agreement](.github/CONTRIBUTOR_AGREEMENT.md) to ensure that
your contribution can be used across the project. If you agree to be bound by
-the terms of the agreement, fill in the [template]((.github/CONTRIBUTOR_AGREEMENT.md))
+the terms of the agreement, fill in the [template](.github/CONTRIBUTOR_AGREEMENT.md)
and include it with your pull request, or sumit it separately to
[`.github/contributors/`](/.github/contributors). The name of the file should be
your GitHub username, with the extension `.md`. For example, the user
