diff --git a/topics/user_interface_components/kotlin_ui_dsl.md b/topics/user_interface_components/kotlin_ui_dsl.md
index 26e524181..273bfd0e3 100644
--- a/topics/user_interface_components/kotlin_ui_dsl.md
+++ b/topics/user_interface_components/kotlin_ui_dsl.md
@@ -18,6 +18,8 @@ It shares similarities with [Jetpack Compose](https://developer.android.com/jetp
 >
 {type="note"}
 
+The _Kotlin DSL Version 1_ functions are located in the [`com.intellij.ui.layout`](upsource:///platform/platform-impl/src/com/intellij/ui/layout) package.
+
 ## Layout Structure
 
 > See [Layout](https://jetbrains.design/intellij/principles/layout) topic in IntelliJ Platform UI Guidelines for recommendations on arranging UI controls in dialogs.
diff --git a/topics/user_interface_components/kotlin_ui_dsl_version_2.md b/topics/user_interface_components/kotlin_ui_dsl_version_2.md
index f44328c00..24ef279b1 100644
--- a/topics/user_interface_components/kotlin_ui_dsl_version_2.md
+++ b/topics/user_interface_components/kotlin_ui_dsl_version_2.md
@@ -13,6 +13,8 @@ It supports many core Swing components and custom components widely used in JetB
 
 The library is written in [Kotlin](kotlin.md) and makes it easy to develop user interfaces like dialogs and settings by using declarative syntax.
 
+The _Kotlin DSL Version 2_ functions are located in the [`com.intellij.ui.dsl.builder`](upsource:///platform/platform-impl/src/com/intellij/ui/dsl/builder) package.
+
 ## UI DSL Examples
 
 It is highly recommended taking a look at the UI DSL demo available via <menupath>Tools | Internal Actions | UI | UI DSL Showcase</menupath> (see [Internal Actions](internal_actions_intro.md) if not available in your IDE instance).