diff --git a/README-eng.md b/README-eng.md
index 21b21321e..236fa9166 100644
--- a/README-eng.md
+++ b/README-eng.md
@@ -90,4 +90,9 @@ Mirai uses these open-source libraries.
 - [klock](https://github.com/korlibs/klock)
 - [tornadofx](https://github.com/edvin/tornadofx)
 - [javafx](https://github.com/openjdk/jfx)
-- [kotlinx-serialization](https://github.com/Kotlin/kotlinx.serialization)
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+- [kotlinx-serialization](https://github.com/Kotlin/kotlinx.serialization)
+
+
+## Acknowledgement
+Thanks to [JetBrains](https://www.jetbrains.com/?from=mirai) for allocating free open-source licences for IDEs such as [IntelliJ IDEA](https://www.jetbrains.com/idea/?from=mirai).  
+[<img src=".github/jetbrains-variant-3.png" width="200"/>](https://www.jetbrains.com/?from=mirai)
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