diff --git a/jacodb-ets/src/test/kotlin/org/jacodb/ets/test/utils/Entrypoints.kt b/jacodb-ets/src/test/kotlin/org/jacodb/ets/test/utils/Entrypoints.kt
index 135e0ae2f..989fd9395 100644
--- a/jacodb-ets/src/test/kotlin/org/jacodb/ets/test/utils/Entrypoints.kt
+++ b/jacodb-ets/src/test/kotlin/org/jacodb/ets/test/utils/Entrypoints.kt
@@ -71,6 +71,9 @@ object DumpEtsFileToDot {
     }
 }
 
+/**
+ * Visualize classes and methods in [EtsFileDto] and [EtsFile] from directory.
+ */
 @OptIn(ExperimentalPathApi::class)
 object DumpEtsFilesToDot {
     private const val ETSIR_DIR = "/etsir/samples"