diff --git a/src/backend/Simulator.java b/src/backend/Simulator.java
index ef512de..f6aeb60 100644
--- a/src/backend/Simulator.java
+++ b/src/backend/Simulator.java
@@ -45,7 +45,6 @@ public class Simulator extends Thread {
 		grid = new int[COL_NUM][LINE_NUM];
 		
 		
-		//Default rule : Survive always, birth never
 		for(int i =0; i<9; i++) {
 			fieldSurviveValues.add(2);
 			fieldSurviveValues.add(3); 
@@ -363,7 +362,7 @@ public class Simulator extends Thread {
 	}
 
 	public void loadRule(ArrayList<String> lines) {
-		if (lines.size() < 4) {
+		if (lines.size() < 2) {
 		    System.out.println("Error: Insufficient number of lines for loading rules.");
 		    return;
 		}