diff --git a/action.yml b/action.yml
index 3010b66..54d5bfd 100644
--- a/action.yml
+++ b/action.yml
@@ -1,19 +1,22 @@
 name: 'Docker Hub Description'
 author: 'Peter Evans'
 description: 'An action to update a Docker Hub repository description from README.md'
+# env:
+#   DOCKERHUB_USERNAME:
+#     description: Username to login to Docker Hub. Aliases: DOCKER_USERNAME
+#     required: false
+#   DOCKERHUB_PASSWORD:
+#     description: Password to login to Docker Hub. Aliases: DOCKER_PASSWORD
+#     required: false
+#   DOCKERHUB_REPOSITORY:
+#     description: Explicit Docker Hub repository name. Aliases: DOCKER_REPOSITORY, GITHUB_REPOSITORY
+#     required: false
+#   README_FILEPATH:
+#     description: Path to the repository readme.
+#     default: ./README.md
 runs:
   using: 'docker'
   image: 'docker://peterevans/dockerhub-description:2.1.1'
 branding:
   icon: 'upload'
   color: 'blue'
-inputs:
-  dockerhubUsername:
-    description: Username to login to Docker Hub. Aliases: DOCKER_USERNAME
-    required: false
-  dockerhubPassword:
-    description: Password to login to Docker Hub. Aliases: DOCKER_PASSWORD
-    required: false
-  dockerhubRepository:
-    description: Explicit Docker Hub repository name. Aliases: DOCKER_REPOSITORY, GITHUB_REPOSITORY
-    required: false