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 e916b0d0d..7c7d140a7 100644
--- a/topics/user_interface_components/kotlin_ui_dsl_version_2.md
+++ b/topics/user_interface_components/kotlin_ui_dsl_version_2.md
@@ -146,7 +146,7 @@ Must also be used for `Row.checkBox` if these are grouped with some title.
 
 ```kotlin
 var value = true
-buttonsGroup("Panel.buttonGroup:") {
+buttonsGroup("Panel.buttonsGroup:") {
  row {
   radioButton("true", true)
  }