Update Example25_Graph_as_Data_Structure.mp

Example25_Graph_as_Data_Structure.mp

@@ -2,7 +2,9 @@
  	
 	 Accumulating and rendering statistics from event traces.
  	Graphs as container data structures
-============================================================*/
+
+==========================================================*/
+
 SCHEMA Statistics
 ROOT A: (* ( a | b) *);
 ROOT B: (+ c +);