diff --git a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt
index b062dc62..4df2409b 100644
--- a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt
+++ b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt
@@ -50,6 +50,9 @@ class ClassNameXml {
     var className: List<String> = arrayListOf()
 }
 
+/**
+ * The fields in this interface have tests.
+ */
 interface IPluginInfo {
     val testJvmFlagContributors : List<ITestJvmFlagContributor>
     val testJvmFlagInterceptors : List<ITestJvmFlagInterceptor>