diff --git a/vulkan/vkjson/vkjson.cc b/vulkan/vkjson/vkjson.cc
index 531a623..517e62d 100644
--- a/vulkan/vkjson/vkjson.cc
+++ b/vulkan/vkjson/vkjson.cc
@@ -36,6 +36,9 @@
 #include <type_traits>
 #include <utility>
 
+/*
+ * This file is autogenerated by vkjson_generator.py. Do not edit directly.
+ */
 namespace {
 
 /*