diff --git a/bytestring/CHANGES.md b/bytestring/CHANGES.md
index e053e17c..14f2cde2 100644
--- a/bytestring/CHANGES.md
+++ b/bytestring/CHANGES.md
@@ -2,7 +2,9 @@
 
 ## Unreleased - 2022-xx-xx
 - Minimum supported Rust version (MSRV) is now 1.49.
-- Implement `From<Box<str>>` and `Into<String>`
+- Implement `From<Box<str>>` and `Into<String>`. [#458]
+
+[#458]: https://github.com/actix/actix-net/pull/458
 
 
 ## 1.0.0 - 2020-12-31