diff --git a/.github/workflows/docker-image-mariadb103-py38-mysqlclient201.yml b/.github/workflows/docker-image-mariadb103-py38-mysqlclient201.yml
index 5e58575..8f6d39f 100644
--- a/.github/workflows/docker-image-mariadb103-py38-mysqlclient201.yml
+++ b/.github/workflows/docker-image-mariadb103-py38-mysqlclient201.yml
@@ -22,6 +22,7 @@ jobs:
       packages: write
 
     steps:
+      # Requirement to use 'context' in docker/build-push-action@v3
       - name: Checkout repository
         uses: actions/checkout@v3