diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2e665fd76..a20e19e40 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -53,6 +53,11 @@ Coming soon.
 
 Coming soon.
 
+### Contributor agreement
+
+If you've made a substantial 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)) 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
+example_user would create the file `.github/contributors/example_user.md`.
+
 
 ### Fixing bugs