diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60c78953..6035a332 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [0.3.0] - ???
 ### Changed
  - Now methods which can send file to Telegram returns tokio::io::Result<T>. Early its could panic. ([issue 216](https://github.com/teloxide/teloxide/issues/216))
-
+ - Now provided description of unknown telegram error, by splitting ApiErrorKind at `ApiErrorKind` and `ApiErrorKindKnown` enums. ([issue 199](https://github.com/teloxide/teloxide/issues/199))
 ## [0.2.0] - 2020-02-25
 ### Added
  - The functionality to parse commands only with a correct bot's name (breaks backwards compatibility) ([Issue 168](https://github.com/teloxide/teloxide/issues/168)).