diff --git a/CHANGES.md b/CHANGES.md
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--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,7 +2,7 @@
 
 ## Unreleased - 2020-xx-xx
 * Implement Logger middleware regex exclude pattern [#1723]
-* Print unconfigured AppData type [#1743]
+* Print unconfigured `Data<T>` type when attempting extraction. [#1743]
 
 [#1723]: https://github.com/actix/actix-web/pull/1723
 [#1743]: https://github.com/actix/actix-web/pull/1743