diff --git a/CHANGES b/CHANGES
index 41d32c3e..05b1992a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,7 @@
 * Removed internal `_is_string` and `_ensure_str` functions
 * Removed internal `_quote` from `test_responses.py`
 * Removed internal `_matches` attribute of `RequestsMock` object.
+* Generated decorator wrapper now uses stdlib features instead of strings and exec
 
 0.17.0
 ------