diff --git a/TelegramBotBase.Extensions.Images.IronSoftware/README.md b/TelegramBotBase.Extensions.Images.IronSoftware/README.md
index 879e552..357438b 100644
--- a/TelegramBotBase.Extensions.Images.IronSoftware/README.md
+++ b/TelegramBotBase.Extensions.Images.IronSoftware/README.md
@@ -5,3 +5,8 @@
 
 [![License](https://img.shields.io/github/license/MajMcCloud/telegrambotframework.svg?style=flat-square&maxAge=2592000&label=License)](https://raw.githubusercontent.com/MajMcCloud/TelegramBotFramework/master/LICENCE.md)
 [![Package Downloads](https://img.shields.io/nuget/dt/TelegramBotBase.Extensions.Images.IronSoftware.svg?style=flat-square&label=Package%20Downloads)](https://www.nuget.org/packages/TelegramBotBase.Extensions.Images.IronSoftware)
+
+
+This extension uses the [IronSoftware](https://ironsoftware.com/open-source/csharp/drawing/docs/) drawing library.
+
+Check [https://ironsoftware.com/open-source/csharp/drawing/docs/](https://ironsoftware.com/open-source/csharp/drawing/docs/) for more details on this library.
\ No newline at end of file