diff --git a/.github/workflows/markdown.yml b/.github/workflows/markdown.yml
index 468befc479..2e85bbe556 100644
--- a/.github/workflows/markdown.yml
+++ b/.github/workflows/markdown.yml
@@ -43,4 +43,4 @@ jobs:
         uses: ad-m/github-push-action@master
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          branch: ${{ github.head_ref }}
+          branch: ${{ github.ref }}
diff --git a/README.md b/README.md
index 4af899ced7..7944142db8 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ gantt
     title Test Diagram
 
     section Section
-    A task           :a1, 2014-01-01, 30d 
+    A task           :a1, 2014-01-01, 30d
     Another task     :after a1, 20d
 ```