diff -u -r1.1 -r1.2
--- PolyhedraRegular.java	25 Aug 2005 07:59:33 -0000	1.1
+++ PolyhedraRegular.java	1 Sep 2005 23:08:37 -0000	1.2
@@ -29,12 +29,12 @@

         
         if ( rmin < 0 || rmin > rmax )
         {

-            throw new IllegalArgumentException("rmin <" + rmin + " is invalid.");

+            throw new IllegalArgumentException("rmin <" + rmin + "> is invalid.");

         }
         
         if ( rmax < 0 )
         {

-            throw new IllegalArgumentException("rmax <" + rmax + " is invalid.");

+            throw new IllegalArgumentException("rmax <" + rmax + "> is invalid.");

         }
         
         ZPlane zplane1 = new ZPlane(rmin,  rmax, -zlength/2);