Align COPYRIGHT with the upstream library template

docs/policy/oss.md

@@ -2,7 +2,7 @@
 
 **Base Policy Version:** 1.8
 
-**Last Updated**: 2026-10-07
+**Last Updated**: 2026-10-08
 
 **Upstream Source:** [oss.md](https://gitea.maximumdirect.net/eric/policy/src/commit/d84a38ebab26f048cafbe59a2246700c35d29843/docs/policy/oss.md)
 
@@ -55,7 +55,7 @@ provides texts to copy for applicable licenses and their companions.
 ReleaseKit's selected grant is LGPL version 3 or later, recorded in
 [COPYRIGHT](../../COPYRIGHT). It applies to the library and release
 executable. Adapted policy documents, agent orientation, and the policy reading
-guide retain their CC-BY-SA-4.0 scope as identified there and in the
+guide retain their CC-BY-SA-4.0 scope as identified in the
 [attribution document](../oss/attribution.md).
 
 Unless the author specifies otherwise, use **GPL version 3 or later**
@@ -90,9 +90,9 @@ fields; the standard reference collection remains unchanged. Keep `COPYRIGHT`,
 grant. This convention introduces no blanket requirement for per-file headers;
 preserve notices or add them where the applicable terms require them.
 
-Identify separately licensed documentation or assets in the project grant, with
-links to their attribution and license information. An application's default
-code license does not override the terms of incorporated documentation.
+Identify separately licensed documentation or assets in the attribution
+document, with links to their license information. The project grant uses the
+upstream template's third-party statement.
 
 ## Upstream Attribution House Format