diff --git a/.github/workflows/on-pr.yml b/.github/workflows/on-pr.yml
index ee35795..a033463 100644
--- a/.github/workflows/on-pr.yml
+++ b/.github/workflows/on-pr.yml
@@ -31,6 +31,7 @@ jobs:
   unit-test:
     name: Run Unit Tests
     runs-on: ubuntu-latest
+    ## IF you want to update the default branch for `pull_request runs, do it after the ||`
     env:
       foundry-test-ref: ${{ github.event.inputs.foundry-test-ref  || 'feature/build-stack'}}
       ipld-eth-db-ref: ${{ github.event.inputs.ipld-eth-db-ref  || 'main' }}