diff --git a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/ConfigActor.kt b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/ConfigActor.kt
index 2417bc39..cd4ae745 100644
--- a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/ConfigActor.kt
+++ b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/api/ConfigActor.kt
@@ -3,7 +3,8 @@ package com.beust.kobalt.api
 import java.util.*
 
 /**
- * Actors that have one config object per project can use this helper class.
+ * Actors that have one config object per project can implement `IConfigActor` by delegating to
+ * `ConfigActor`. Then they can easily add and look up configurations per project.
  */
 interface IConfigActor<T> {
     val configurations : HashMap<String, T>