Index: trunk/MagicSoft/Mars/mimage/MImgCleanStd.cc
===================================================================
--- trunk/MagicSoft/Mars/mimage/MImgCleanStd.cc	(revision 2092)
+++ trunk/MagicSoft/Mars/mimage/MImgCleanStd.cc	(revision 2093)
@@ -142,6 +142,11 @@
 //
 //              !!WARNING: if noise independent from the
-//                        pixel size is considered,
-//                  this weight can give wrong results!!
+//         pixel size (example: electronic noise) is introduced,
+//         then the noise fluctuations are no longer proportional
+//         to sqrt(A_i), and then the cut value (for a camera with
+//         pixels of different sizes) resulting from the above
+//         procedure  would not be proportional to pixel size as we 
+//         intend. In that case, democratic cleaning is preferred.
+//
 // If
 //Begin_Html