diff --git a/Telegram-API-in-other-languages.md b/Telegram-API-in-other-languages.md
index cd150f5..eb4b291 100644
--- a/Telegram-API-in-other-languages.md
+++ b/Telegram-API-in-other-languages.md
@@ -9,7 +9,7 @@ Possibly the most well-known unofficial open source implementation out there by
 [**@zerobias**](https://github.com/zerobias) is working on [`telegram-mtproto`](https://github.com/zerobias/telegram-mtproto), a work-in-progress JavaScript library installable via [`npm`](https://www.npmjs.com/).
 
 ## Kotlin
-[Kotlogram](https://github.com/badoualy/kotlogram) is a Telegram implementation written in Kotlin (the now [official](https://blog.jetbrains.com/kotlin/) language for [Android](https://developer.android.com/kotlin/index.html)) by [**@badoualy**](https://github.com/badoualy), currently as a beta– yet working.
+[Kotlogram](https://github.com/badoualy/kotlogram) is a Telegram implementation written in Kotlin (the now [official](https://blog.jetbrains.com/kotlin/2017/05/kotlin-on-android-now-official/) language for [Android](https://developer.android.com/kotlin/index.html)) by [**@badoualy**](https://github.com/badoualy), currently as a beta– yet working.
 
 ## PHP
 A PHP implementation is also available thanks to [**@danog**](https://github.com/danog) and his [MadelineProto](https://github.com/danog/MadelineProto) project, with a very nice [online documentation](https://daniil.it/MadelineProto/API_docs/) too.