diff --git a/.github/workflows/linting.yml b/.github/workflows/linting.yml
index 2f59f697..0fd3846c 100644
--- a/.github/workflows/linting.yml
+++ b/.github/workflows/linting.yml
@@ -62,6 +62,9 @@ jobs:
 
   lint-prose:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: write
     steps:
       - name: Checkout source
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
@@ -71,5 +74,5 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          filter_mode: nofilter
+          filter_mode: diff_context
           reporter: github-check
diff --git a/README.md b/README.md
index c7060fec..0281efc0 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,20 @@
 </div>
 <!-- markdownlint-restore -->
 
+> [!CAUTION]
+> This is Sam's dev fork.
+
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+This is quite a weasly sentence, I'm fairly sure that this might maybe work, maybe.
+
 This repository collects the [UCL ARC] recommendations for a research software
 project in Python. It contains a template for new Python packages and a
 [website] documenting our recommendations. We've turned on