diff --git a/skills/sdlc/SKILL.md b/skills/sdlc/SKILL.md
index f186398..def2157 100644
--- a/skills/sdlc/SKILL.md
+++ b/skills/sdlc/SKILL.md
@@ -88,7 +88,7 @@ Gitea branch protection requires CI checks to pass.
 ## Authentication
 
 * **Framework:** Better-Auth.
-* **OAuth Providers:** GroomBook (Authentik), Google and Apple.
+* **OAuth Providers:** GroomBook (Authentik), Google, and Apple.
 * **SSO:** Authentik OIDC at `https://auth.farh.net` (credentials in `authentik-credentials` secret).
 * **Never build custom authentication.**