diff --git a/pep-0458.txt b/pep-0458.txt
index f87a2886c51..8815d8e9d26 100644
--- a/pep-0458.txt
+++ b/pep-0458.txt
@@ -727,7 +727,10 @@ open and well-known standard for data interchange, which is already supported by
 the TUF reference implementation, and therefore the recommended data format by
 this PEP.  However, due to the large number of delegations, compressed
 versions of all metadata SHOULD also be made available to clients via the
-existing Warehouse mechanisms for HTTP compression.
+existing Warehouse mechanisms for HTTP compression. In addition, the JSON
+metadata could be compressed before being sent to clients. The TUF reference
+implementation does not currently support downloading compressed JSON metadata,
+but this could be added to reduce the metadata size.
 
 
 PyPI and Key Requirements