indent the code correctly

snippets/gcdOfArray.md

@@ -1,10 +1,10 @@
+
 ### gcdOfArray
 
-It finds the GCD of all the numbers in an array by using `array.reduce` and the fact that `gcd(a,b,c) = gcd(gcd(a,b),c)`
+It finds the GCD of all the numbers in an array by using `Array.reduce()` and the fact that `gcd(a,b,c) = gcd(gcd(a,b),c)`
 
 ```js
-const gcdOfArray = arr =>
+const gcdOfArray = arr =>{
-  {
   const gcd = (x, y) => !y ? x : gcd(y, x % y);
   return arr.reduce((a,b) => gcd(a,b))
   }