diff --git a/external/openjpeg/openjpeg.js b/external/openjpeg/openjpeg.js
index 940a250f0..535c2539c 100644
--- a/external/openjpeg/openjpeg.js
+++ b/external/openjpeg/openjpeg.js
@@ -1,3 +1,4 @@
+/* THIS FILE IS GENERATED - DO NOT EDIT */
 var OpenJPEG = (() => {
   var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined;
   
diff --git a/external/openjpeg/openjpeg_nowasm_fallback.js b/external/openjpeg/openjpeg_nowasm_fallback.js
index 1460947d7..0ac13e000 100644
--- a/external/openjpeg/openjpeg_nowasm_fallback.js
+++ b/external/openjpeg/openjpeg_nowasm_fallback.js
@@ -1,3 +1,4 @@
+/* THIS FILE IS GENERATED - DO NOT EDIT */
 var OpenJPEG = (() => {
   var _scriptName = typeof document != 'undefined' ? document.currentScript?.src : undefined;