diff --git a/README.md b/README.md
index 6bbe8381d3b..c69bbae4204 100644
--- a/README.md
+++ b/README.md
@@ -106,11 +106,19 @@ The Gradle plugin allows configuring the functions which should be transformed
 with a list of fully-qualified function names.
 
 ```kotlin
+// Kotlin DSL
 configure<com.bnorm.power.PowerAssertGradleExtension> {
   functions = listOf("kotlin.assert", "kotlin.test.assertTrue")
 }
 ```
 
+```groovy
+// Groovy
+kotlinPowerAssert {
+  functions = ["kotlin.assert", "kotlin.test.assertTrue"]
+}
+```
+
 ## Kotlin IR
 
 Using this compiler plugin only works if the code is compiled using Kotlin