Updated Set new print bed size (markdown)

Set-new-print-bed-size.md

@@ -1,11 +1,11 @@
 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!**
+**ATTENTION: THIS APPLIES ONLY FOR MEGA S AND MEGA PRO!**
 
-**X (Width) = 225 mm**
+`X (Width) = 225 mm`
 
-**Y (Depth) = 220 mm**
+`Y (Depth) = 220 mm`
 
-**Z (Height) = 210 mm**
+`Z (Height) = 210 mm`
 
 [[ https://raw.githubusercontent.com/knutwurst/Marlin-2-0-x-Anycubic-i3-MEGA-S/master/images/bed_size_cura.jpg | width = 800px ]]