Partially apply suggestion

Author: konstin

peps/pep-0815.rst

@@ -51,10 +51,10 @@ SHOULD NOT attempt to verify them, while they remain excluded from ``RECORD``.
 Backwards Compatibility
 =======================
 
-Known implementations require no changes, as they do not support these files
-beyond skipping them when processing the ``RECORD`` file. Users should refer
-to :ref:`index hosted attestations <packaging:index-hosted-attestations>` for
-signing archives.
+No build backends and installers that the authors are aware of require any
+changes, as they do not support these files beyond skipping them when
+processing the ``RECORD`` file. For verifying provenance, users should refer
+to :ref:`index hosted attestations <packaging:index-hosted-attestations>`.
 
 Security Implications
 =====================