diff --git a/Set-new-print-bed-size.md b/Set-new-print-bed-size.md
index d12f18b..9e6e8c4 100644
--- a/Set-new-print-bed-size.md
+++ b/Set-new-print-bed-size.md
@@ -1,4 +1,5 @@
-The Firmware sets a new (larger) print bed size, so you can use the entire Ultrabase for your prints. 
+The Firmware sets a new (larger) print bed size, so you can use the entire Ultrabase for your prints.
+**THIS APPLIES ONLY FOR MEGA S AND MEGA PRO!**
 
 **X (Width) = 225 mm**