diff --git a/.github/scripts/close-invalid-prs.ts b/.github/scripts/close-low-effort-prs.ts
similarity index 94%
rename from .github/scripts/close-invalid-prs.ts
rename to .github/scripts/close-low-effort-prs.ts
index 2fb862c75..7c195d776 100644
--- a/.github/scripts/close-invalid-prs.ts
+++ b/.github/scripts/close-low-effort-prs.ts
@@ -156,7 +156,7 @@ await github<unknown>(`/repos/${owner}/${repo}/issues/${issueNumber}/labels`, {
 await github<unknown>(`/repos/${owner}/${repo}/issues/${issueNumber}/comments`, {
   method: 'POST',
   body: JSON.stringify({
-    body: 'Closing this as invalid because CodeRabbit failed the PR Hygiene check. See `CONTRIBUTING.md` and the PR template before opening a new PR.'
+    body: 'Closing this as a low-effort PR because CodeRabbit failed the PR Hygiene check. See `CONTRIBUTING.md` and the PR template before opening a new PR. If you are sure this was closed by mistake, please file an issue with a link to this PR and the relevant context.'
   })
 })
 
diff --git a/.github/workflows/close-invalid-prs.yml b/.github/workflows/close-low-effort-prs.yml
similarity index 68%
rename from .github/workflows/close-invalid-prs.yml
rename to .github/workflows/close-low-effort-prs.yml
index fd9ddfba3..d65782dc2 100644
--- a/.github/workflows/close-invalid-prs.yml
+++ b/.github/workflows/close-low-effort-prs.yml
@@ -1,4 +1,4 @@
-name: Close invalid PRs
+name: Close low-effort PRs
 
 on:
   pull_request_review:
@@ -7,13 +7,13 @@ on:
     types: [created, edited]
 
 concurrency:
-  group: close-invalid-prs-${{ github.event.pull_request.number || github.event.issue.number }}
+  group: close-low-effort-prs-${{ github.event.pull_request.number || github.event.issue.number }}
   cancel-in-progress: false
 
 jobs:
   # This job only reacts to CodeRabbit PR Hygiene pre-merge failures and never runs contributor code.
-  close-invalid:
-    name: Close PRs failed by PR Hygiene
+  close-low-effort:
+    name: Close low-effort PRs
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -31,12 +31,12 @@ jobs:
         with:
           node-version: 24
 
-      - name: Close PR when CodeRabbit fails PR Hygiene
+      - name: Close low-effort PR when CodeRabbit fails PR Hygiene
         env:
           GITHUB_TOKEN: ${{ github.token }}
         run: |
-          if [ ! -f .github/scripts/close-invalid-prs.ts ]; then
-            echo "Trusted close-invalid helper is not present on the default branch yet."
+          if [ ! -f .github/scripts/close-low-effort-prs.ts ]; then
+            echo "Trusted close-low-effort helper is not present on the default branch yet."
             exit 0
           fi
-          node --experimental-strip-types .github/scripts/close-invalid-prs.ts
+          node --experimental-strip-types .github/scripts/close-low-effort-prs.ts
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8d3106047..5a76af6d6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -41,7 +41,7 @@ Pull requests must be reviewable without guessing the author's intent.
 
 Do not submit placeholder PRs. Remove template comments before opening a PR. Do not leave dangling issue references such as `Fixes #`, `TODO`, `TBD`, empty headings, unfilled sections, or similar unfinished text.
 
-PRs from external contributors that ignore the template, omit validation, are not written in English, or otherwise do not follow these guidelines may be labeled `invalid` and closed automatically.
+CodeRabbit enforces these PR rules through PR Hygiene checks. Low-effort PRs from external contributors that ignore the template, omit validation, are not written in English, or otherwise do not follow these guidelines may be labeled `invalid` and closed automatically. If you are unsure how to fix something, please open a detailed issue instead of submitting a placeholder PR. If you are sure your PR was closed by mistake, please file an issue with the PR link and context.
 
 ## Quality checks