Index: trunk/Mars/msimreflector/MFresnelLens.cc
===================================================================
--- trunk/Mars/msimreflector/MFresnelLens.cc	(revision 19610)
+++ trunk/Mars/msimreflector/MFresnelLens.cc	(revision 19611)
@@ -269,5 +269,5 @@
     const Groove g(TMath::Pi()/2 + alpha, -r0*tan(alpha));
 
-    // Calculate the insersection between the ray and the cone
+    // Calculate the insersection between the ray and the cone and z between 0 and -H
     const double dz = CalcIntersection(p, u, g, -H);