Update find-x-sum-of-all-k-long-subarrays-ii.py

Author: kamyu104

Python/find-x-sum-of-all-k-long-subarrays-ii.py

@@ -5,7 +5,7 @@
 import collections
 
 
-# sorted list, two pointers, sliding window
+# freq table, sorted list, two pointers, sliding window
 class Solution(object):
     def findXSum(self, nums, k, x):
         """