diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 64917209d02..ca8ab5c0048 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -104,6 +104,10 @@ Following the targets that can be used to test your changes locally.
 | make all | Runs go test,golangci lint checks, fmt, go mod tidy| yes                  |
 | make e2e-pat | Runs e2e tests                                     | yes                  |
 
+Make sure to signoff your commits before submitting a pull request.
+
+https://docs.pi-hole.net/guides/github/how-to-signoff/
+
 ## Permission for GitHub personal access tokens
 
 The personal access token need the following scopes: