diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e17ccd6f..c34383e4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -65,7 +65,7 @@ hand-building pages:
 | `/community/members`            | `data/members.json` (generated from `data/awards.json` + `data/architectures/catalog.json`) | `npm run generate:members`          |
 | Community people lightboxes     | `data/community-roster.json` (curated) → refreshed into `data/community-people.json`        | `npm run validate:community-people` |
 | `docs/community/` user groups   | `data/community-groups.json` (generated)                                                    | `npm run validate:community-groups` |
-| ProjectsBorn (`/practitioners`) | `data/projects-born.json`                                                                   | manual edit, no validation script   |
+| ProjectsBorn (`/practitioners`) | `data/projects-born.json`                                                                   | `npm run validate:projects-born`    |
 | `/resources/case-studies`       | `data/case-studies.json` (generated by `npm run collect:case-studies`)                      | `npm run validate:case-studies`     |
 | `/resources/radar-reports`      | `data/radar-reports.json` (generated by `npm run collect:radar-reports`)                    | `npm run validate:radar-reports`    |
 
@@ -99,8 +99,9 @@ Rules:
   location, image, and social links from
   [cncf/people](https://github.com/cncf/people)'s `people.json`, matched by
   GitHub handle; roster name, company, and role stay authoritative.
-- `data/projects-born.json` has no generator; edit it directly and verify the
-  origin story against a reliable source before adding an entry.
+- `data/projects-born.json` has no generator; edit it directly, verify the
+  origin story against a reliable source, and validate with
+  `npm run validate:projects-born` before adding an entry.
 - **Never edit `data/community-groups.json` by hand.** Add or rename a group in
   the `GROUPS` list in `scripts/check-community-group-links.mjs`, then refresh
   with `npm run check:community-group-links` (needs `GH_TOKEN`), which records