diff --git a/vulkan/scripts/api_generator.py b/vulkan/scripts/api_generator.py
index be24172..001af20 100644
--- a/vulkan/scripts/api_generator.py
+++ b/vulkan/scripts/api_generator.py
@@ -61,6 +61,9 @@
 
 #include "driver_gen.h"
 
+/*
+ * This file is autogenerated by api_generator.py. Do not edit directly.
+ */
 namespace vulkan {
 namespace api {
 
@@ -283,6 +286,9 @@
 #undef VK_NO_PROTOTYPES
 #include "api.h"
 
+/*
+ * This file is autogenerated by api_generator.py. Do not edit directly.
+ */
 namespace vulkan {
 namespace api {
 
diff --git a/vulkan/scripts/driver_generator.py b/vulkan/scripts/driver_generator.py
index 48c0ae9..6159599 100644
--- a/vulkan/scripts/driver_generator.py
+++ b/vulkan/scripts/driver_generator.py
@@ -49,6 +49,7 @@
     'VK_KHR_external_semaphore_capabilities',
     'VK_KHR_external_fence_capabilities',
     'VK_KHR_external_fence_fd',
+    'VK_KHR_swapchain_mutable_format',
 ]
 
 # Functions needed at vulkan::driver level.
@@ -224,6 +225,9 @@
 #include <optional>
 #include <vector>
 
+/*
+ * This file is autogenerated by driver_generator.py. Do not edit directly.
+ */
 namespace vulkan {
 namespace driver {
 
@@ -503,6 +507,9 @@
 namespace vulkan {
 namespace driver {
 
+/*
+ * This file is autogenerated by driver_generator.py. Do not edit directly.
+ */
 namespace {
 
 // clang-format off\n\n""")
diff --git a/vulkan/scripts/null_generator.py b/vulkan/scripts/null_generator.py
index 3624c1d..5c5bea3 100644
--- a/vulkan/scripts/null_generator.py
+++ b/vulkan/scripts/null_generator.py
@@ -55,6 +55,9 @@
 #include <vulkan/vk_android_native_buffer.h>
 #include <vulkan/vulkan.h>
 
+/*
+ * This file is autogenerated by null_generator.py. Do not edit directly.
+ */
 namespace null_driver {
 
 PFN_vkVoidFunction GetGlobalProcAddr(const char* name);
@@ -97,6 +100,9 @@
 
 using namespace null_driver;
 
+/*
+ * This file is autogenerated by null_generator.py. Do not edit directly.
+ */
 namespace {
 
 struct NameProc {