diff --git a/Fibonacci number b/Fibonacci number
index 5db83fe..1313a06 100644
--- a/Fibonacci number	
+++ b/Fibonacci number	
@@ -10,7 +10,7 @@ def isFibonacci(n):
 	return isPerfectSquare(5*n*n + 4) or isPerfectSquare(5*n*n - 4) 
 	
 
-for i in range(1,11): 
+for i in range(1,21): 
 	if (isFibonacci(i) == True): 
 		print i,"is a Fibonacci Number"
 	else: