diff --git a/tools/bootLogoChanger.html b/tools/bootLogoChanger.html
index fbef449..15b19ae 100644
--- a/tools/bootLogoChanger.html
+++ b/tools/bootLogoChanger.html
@@ -65,6 +65,7 @@
   <body>
     <h1>Data Frog SF2000 Boot Logo Changer</h1>
     <p>This tool can be used to alter the boot logo on an SF2000 handheld gaming console. Please note this tool is provided as-is, and no support will be given if this corrupts your device's bios; make sure you have backups of anything you care about before messing with your device's critical files! 🙂</p>
+    <h1>NOTE: THIS TOOL IS CURRENTLY INCOMPATIBLE WITH THE MAY 22ND FIRMWARE - DO NOT USE IF YOU ARE ON THAT FIRMWARE. UPDATE WILL COME SOON.</h1>
     <hr>
     <section id="bisrvSection">
       <h2>Step 1: Select Original <code>bisrv.asd</code></h2>
