add end line break

Author: kim-young

coin-change/kimyoung.js

@@ -21,4 +21,4 @@ var coinChange = function (coins, amount) {
 };
 
 // time - O(a * c) loops through amount * loops through coin
-// space - O(a) depends on the size of amount
+// space - O(a) depends on the size of amount