diff --git a/README.md b/README.md
index ee27f05..44bb686 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,6 @@ Produce short revision environment variable based on the input one.
   - uses: rlespinasse/shortify-git-revision@v1.x
     with:
       name: GITHUB_SHA
-      revision: value_to_slugify
   ```
 
   Will make available