update quicksort comment

Author: Joshua Goller

bradfield/quicksort.py

@@ -36,7 +36,7 @@ def lomuto_partition(arr, low, high):
 
 def quicksort(arr, partition_fn, shuffle=False):
     if shuffle:
-        # do shuffling here
+        # Skiena voice: "Hokay, so - what happens if we shuffle first?"
         random.shuffle(arr)
 
     def sort(arr, low, high):