diff --git a/.github/workflows/upload-ad.yml b/.github/workflows/upload-ad.yml
index f6bd1ce..ad37b82 100644
--- a/.github/workflows/upload-ad.yml
+++ b/.github/workflows/upload-ad.yml
@@ -5,7 +5,7 @@ on:
       - 'semester1/algorithms-and-datastructures/**'
 jobs:
   build_docs:
-    runs_on: ubuntu-latest
+    runs-on: ubuntu-latest
     steps:
       - name: Set up Git repository
         uses: actions/checkout@v6