diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c7e01a7679b..d02401136130 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ IMPROVEMENTS:
 
 * `azurerm_function_app` - support for cors [GH-3949]
 * `azurerm_iot_dps` - add support for the `linked_hub` property [GH-3922]
+* `azurerm_traffic_manager_profile`  - support for the `interval_in_seconds`, `timeout_in_seconds`, and `tolerated_number_of_failures` properties [GH-3473]
 
 
 BUG FIXES: