diff --git a/.github/workflows/cla.yml b/.github/workflows/cla.yml
index 5452dab..8497df1 100644
--- a/.github/workflows/cla.yml
+++ b/.github/workflows/cla.yml
@@ -71,3 +71,13 @@ jobs:
           remote-organization-name: ${{ github.repository_owner }}
           remote-repository-name: cla-signatures
           signed-commit-message: $contributorName has signed the CLA in $owner/$repo#$pullRequestNo
+          # The bot's request to sign. A ruleset never runs this workflow on a comment, so the
+          # request says when a signature counts rather than offering `recheck`, which nothing hears.
+          suggest-recheck: false
+          custom-notsigned-prcomment: >-
+            <br/>Thank you for your submission, we really appreciate it. Like many open-source
+            projects, we ask that $you sign our [Contributor License
+            Agreement](https://github.com/Pipelex/.github/blob/main/CLA.md) before we can accept
+            your contribution. You can sign the CLA by posting a pull request comment in the format
+            below. The check reads signatures when it runs, so once you have commented, push a new
+            commit to this pull request or ask a maintainer to re-run the CLAAssistant check.<br/>
diff --git a/docs/cla.md b/docs/cla.md
index 72e6cc2..e7842b0 100644
--- a/docs/cla.md
+++ b/docs/cla.md
@@ -6,7 +6,7 @@ Every public Pipelex repository that asks contributors to sign a contributor lic
 
 GitHub runs the workflow as it is on this repository's `main`, in the context of the pull request's repository: the secrets it reads are the ones granted to that repository, the allowlist is the organization variable `CLA_ALLOWLIST`, and the document it asks a contributor to sign is [`CLA.md`](../CLA.md) at the root of this repository, one agreement for every Pipelex project. A repository may still carry its own copy for its readers, but the bot links this one. Signatures are recorded in `Pipelex/cla-signatures`, so a contributor who signs once is signed for every repository. A change to the workflow therefore reaches every repository when `dev` is promoted to `main` here.
 
-**A signature takes effect at the next run.** A workflow required by a ruleset runs only on pull request events, never on a comment, so after a contributor comments the signing sentence, the check passes once the contributor pushes again or a maintainer re-runs the failed `CLAAssistant` job; that run reads the comment and records the signature.
+**A signature takes effect at the next run.** A workflow required by a ruleset runs only on pull request events, never on a comment, so after a contributor comments the signing sentence, the check passes once the contributor pushes again or a maintainer re-runs the failed `CLAAssistant` job; that run reads the comment and records the signature. The bot's request to sign says so, and it does not offer the action's `recheck` comment (`suggest-recheck: false`), which nothing would hear.
 
 ## The patched action