diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 24deb11df8b..df7d1a0ecdb 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -118,6 +118,7 @@ jobs:
     name: Stack - ${{ matrix.name }}
     runs-on: ${{ matrix.runs-on }}
     steps:
+      # trigger build
       - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
       - name: Cache ~/.stack
         uses: ./.github/actions/cache-on-main