diff --git a/README b/README
index 34fc7a6..21a1272 100644
--- a/README
+++ b/README
@@ -32,6 +32,8 @@ From a fresh Ubuntu install how to update the firmware of your Prusa Mendel ?
 This version uses the http://reprap.org/wiki/Sanguinololu. 
 Some details may not fit your hardware, be sure to check what you are doing)
 
+Steps 3,10,11 are hardware-specific to the Sanuiglolu and Bath Prusa and should be skipped or modified accordingly for other hardware such as the Arduino Mega 2560
+
 Software installation
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