diff --git a/README.md b/README.md
index 12e9301..3d18792 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
-# publish-docker-image
-TODO
+**this repository is managed automatically. do not edit.**
 
+# action: publish docker image
+Tag and push docker image to GCP artifact registry