Index: trunk/Mars/mjoptim/MJOptimizeDisp.cc
===================================================================
--- trunk/Mars/mjoptim/MJOptimizeDisp.cc	(revision 19008)
+++ trunk/Mars/mjoptim/MJOptimizeDisp.cc	(revision 19305)
@@ -189,5 +189,5 @@
     const char *n3   = Form("M[%d]", num3);
     MH3 hdisp(n3, "sqrt(ThetaSquared.fVal)");
-    hdisp.SetTitle("\\vartheta^{2} distribution vs. Size:Size [phe]:\\vartheta^{2} [\\circ^{2}]");
+    hdisp.SetTitle("\\vartheta^{2} distribution vs. Size:Size [phe]:\\vartheta^{2} [#circ^{2}]");
 
     MBinning binsx(100, 10, 100000, "BinningMH3X", "log");