diff --git a/.github/workflows/generate.yml b/.github/workflows/generate.yml
index 5e92deb..02ec45a 100644
--- a/.github/workflows/generate.yml
+++ b/.github/workflows/generate.yml
@@ -39,6 +39,11 @@ jobs:
           cd ..
           # install
           cp work/target/html/doc/*.html target
+      - name: Check commit IDs
+        id: commitid
+        run: |
+          echo "vim=$(git -C work/vim rev-parse HEAD)" >> $GITHUB_OUTPUT
+          echo "vim_faq=$(git -C work/vim_faq rev-parse HEAD)" >> $GITHUB_OUTPUT
       - name: Commit updated master branch
         uses: EndBug/add-and-commit@v9
         with:
@@ -48,3 +53,7 @@ jobs:
             Generated by GitHub workflow ${{ github.run_id }}
 
             https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
+
+            Used commits:
+            https://github.com/vim/vim/commit/${{ steps.commitid.outputs.vim }}
+            https://github.com/chrisbra/vim_faq/commit/${{ steps.commitid.outputs.vim_faq }}