diff --git a/AreaTriangle b/AreaTriangle
index 0b080d6..801617e 100644
--- a/AreaTriangle
+++ b/AreaTriangle
@@ -1,6 +1,6 @@
-a = float(input('Enter first side: '))
-b = float(input('Enter second side: '))
-c = float(input('Enter third side: '))
+X = float(input('Enter first side: '))
+Y = float(input('Enter second side: '))
+Z = float(input('Enter third side: '))
 
 # calculate the semi-perimeter
 s = (a + b + c) / 2
diff --git a/Factorial of a Number b/Factorial of a Number
index 60d09f1..43a4c11 100644
--- a/Factorial of a Number	
+++ b/Factorial of a Number	
@@ -1,4 +1,4 @@
-# Python program to find the factorial of a number provided by the user.
+## Python program to find the factorial of a number provided by the user.
 
 # change the value for a different result
 num = 7