diff --git a/.github/workflows/docker-build-and-push.yml b/.github/workflows/docker-build-and-push.yml
index deb667481..560252a32 100644
--- a/.github/workflows/docker-build-and-push.yml
+++ b/.github/workflows/docker-build-and-push.yml
@@ -1,3 +1,5 @@
+# Based on https://github.com/docker/build-push-action
+
 name: "Docker Multiarch Build & Push"
 
 on: