Index: trunk/MagicSoft/Mars/mimage/MHillas.cc
===================================================================
--- trunk/MagicSoft/Mars/mimage/MHillas.cc	(revision 2377)
+++ trunk/MagicSoft/Mars/mimage/MHillas.cc	(revision 2386)
@@ -277,10 +277,10 @@
 
     //
-    // If corrxy=0 (which should never happen, because fSize>0) we
-    // cannot calculate Length and Width. The calculation failed
-    // and returns kFALSE
-    // In reallity it is almost impossible to have a distribution
-    // of cerenkov photons in the used pixels which is exactly symmetric
+    // If corrxy=0 (which should happen not very often, because fSize>0)
+    // we cannot calculate Length and Width.
+    // In reallity it is almost impossible to have a distribution of
+    // cerenkov photons in the used pixels which is exactly symmetric
     // along one of the axis.
+    // It seems to be less than 0.1% of all events.
     //
     if (corrxy==0)