doc: add missing period

Trott · Ceres6 · commit c303d3a0a8a6 · 2023-08-14T19:35:54.000+02:00
PR-URL: nodejs#49094 Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
diff --git a/doc/api/policy.md b/doc/api/policy.md
@@ -6,6 +6,6 @@
 
 > Stability: 1 - Experimental
 
-The former Policies documentation is now at [Permissions documentation][]
+The former Policies documentation is now at [Permissions documentation][].
 
 [Permissions documentation]: permissions.md#policies
