message: Update count-sorted-vowel-strings.py
diff: @@ -16,4 +16,4 @@ class Solution(object):
  c //= k
  return c
  - return nCr(n+4, 4) # H(5, n) = nCr(n+5-1, n) = nCr(n+4, 4)
  + return nCr(n+4, 4) # H(5, n) = C(n+5-1, n) = C(n+4, 4)
  