diff --git a/README.md b/README.md
index e2fa24d..d23f578 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@ Project created overnight, to prove that management of semantic versioning is NO
 - [Semantic version generator](#semantic-version-generator)
   - [How does it work](#how-does-it-work)
   - [Usage](#usage)
+    - [As a binary](#as-a-binary)
+    - [As a github action](#as-a-github-action)
     - [Calculations example](#calculations-example)
     - [Example configuration](#example-configuration)
   - [Good to know](#good-to-know)
@@ -17,6 +19,8 @@ Project created overnight, to prove that management of semantic versioning is NO
 
 ### Usage
 
+#### As a binary
+
 ```bash
 bash$ ./semver-gen generate -r https://github.com/nextapps-de/winbox
 SEMVER 9.0.10
@@ -42,6 +46,27 @@ Flags:
   -r, --repository string   Remote repository URL. (default "https://github.com/lukaszraczylo/simple-gql-client")
 ```
 
+#### As a github action
+
+```yaml
+jobs:
+  obain-semver:
+    runs-on: ubuntu-latest
+    name: Generate semver
+    outputs:
+      RELEASE_VERSION: ${{ steps.semver.outputs.SEMVER }}
+    steps:
+      - name: Run
+        uses: lukaszraczylo/semver-generator
+        id: semver
+        with:
+          config_file: config.yaml
+          # then...
+          repository_url: https://github.com/lukaszraczylo/simple-gql-client
+          # or...
+          repository_local: true
+```
+
 #### Calculations example
 
 * 0.0.1 - PATCH - starting commit
diff --git a/action.yml b/action.yml
index 0a4da89..76f315d 100644
--- a/action.yml
+++ b/action.yml
@@ -1,23 +1,27 @@
 # action.yml
 name: 'Semantic Version Generator'
 description: 'Automagic semantic version generator'
+author: Lukasz Raczylo
+branding:
+  icon: chevron-right
+  color: gray-dark
 inputs:
-  config-file:
+  config_file:
     description: 'Configuration file'
     required: false
-  repository-url:
+  repository_url:
     description: 'Repository URL'
     required: false
     default: 'https://github.com/lukaszraczylo/simple-gql-client'
-  repository-local:
-    description: 'Use already cloned repository'
+  repository_local:
+    description: 'Use already cloned repository in current directory'
     required: false
 outputs:
-  semantic-version: # id of output
+  semver:
     description: 'Calculated semantic version'
 runs:
   using: 'docker'
-  image: 'ghcr.io/lukaszraczylo/semver-generator:latest'
+  image: 'docker://ghcr.io/lukaszraczylo/semver-generator:latest'
   args:
     - ${{ inputs.config_file }}
     - ${{ inputs.repository_url }}
diff --git a/entrypoint.sh b/entrypoint.sh
index 998c818..8c617f4 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -26,4 +26,4 @@ fi
 
 OUT_SEMVER_GEN=$(./semver-gen generate generate $FLAGS)
 OUT_SEMVER=$(echo $OUT_SEMVER_GEN | sed -e 's|SEMVER ||g')
-echo "::set-output name=semver::$OUT_SEMVER"
\ No newline at end of file
+echo "::set-output name=SEMVER::$OUT_SEMVER"
\ No newline at end of file