Index: trunk/MagicSoft/Mars/macros/tutorials/mirrordelay.C
===================================================================
--- trunk/MagicSoft/Mars/macros/tutorials/mirrordelay.C	(revision 8752)
+++ trunk/MagicSoft/Mars/macros/tutorials/mirrordelay.C	(revision 8753)
@@ -76,6 +76,7 @@
     c->SetGridx();
     c->SetGridy();
+    c->SetRightMargin(0.01);
 
-    TLegend leg(0.40, 0.6, 0.60, 0.85);//, "NDC");
+    TLegend leg(0.40, 0.6, 0.60, 0.85, "Focal length");//, "NDC");
 
     for (int i=-2; i<3; i++)
@@ -104,7 +105,11 @@
         f = (TF1*)fdel.DrawClone(i==-2?"":"same");
 
-        f->GetXaxis()->SetTitle("x [m]");
+        f->GetHistogram()->SetTitle("Arrival time delay for a spherical mirror");
+
+        f->GetXaxis()->SetTitle("r [m]");
         f->GetYaxis()->SetTitle("Delay  \\Delta t [ns]");
         f->GetXaxis()->CenterTitle();
+        f->GetYaxis()->CenterTitle();
+        f->GetYaxis()->SetTitleOffset(1.3);
 
         leg.AddEntry(f, Form("F=%.1fm", F+i*0.10*F));