diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 6b66d63e..c6ddd2d1 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -27,13 +27,14 @@ jobs:
       - uses: DeterminateSystems/update-flake-lock@v24
         with:
           token: ${{ steps.generate-token.outputs.token }}
+          commit-msg: "stylix: update all flake inputs"
           pr-title: "stylix: update all flake inputs"
           pr-labels: dependencies
+          # yamllint disable rule:line-length
           pr-body: |
-            Automated changes by the
-            [update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock)
-            GitHub Action.
+            Automated changes by the [update-flake-lock](https://github.com/DeterminateSystems/update-flake-lock) GitHub Action.
 
             ```
-            ${{ env.GIT_COMMIT_MESSAGE }}
+            {{ env.GIT_COMMIT_MESSAGE }}
             ```
+          # yamllint enable rule:line-length