diff --git a/sorts/wiggle_sort.py b/sorts/wiggle_sort.py
index 13bc3ce9606f..cb3c3a47ab21 100644
--- a/sorts/wiggle_sort.py
+++ b/sorts/wiggle_sort.py
@@ -11,19 +11,23 @@
 
 def wiggle_sort(nums: list) -> list:
     """
-    Python implementation of wiggle.
+    Python implementation of wiggle sort.
+    Reorders an array such that nums[0] <= nums[1] >= nums[2] <= nums[3]...
+
     Example:
     >>> wiggle_sort([0, 5, 3, 2, 2])
     [0, 5, 2, 3, 2]
     >>> wiggle_sort([])
     []
     >>> wiggle_sort([-2, -5, -45])
-    [-45, -2, -5]
+    [-5, -2, -45]
     >>> wiggle_sort([-2.1, -5.68, -45.11])
-    [-45.11, -2.1, -5.68]
+    [-5.68, -2.1, -45.11]
     """
-    for i, _ in enumerate(nums):
-        if (i % 2 == 1) == (nums[i - 1] > nums[i]):
+    for i in range(1, len(nums)):
+        if (i % 2 == 1 and nums[i - 1] > nums[i]) or (
+            i % 2 == 0 and nums[i - 1] < nums[i]
+        ):
             nums[i - 1], nums[i] = nums[i], nums[i - 1]
 
     return nums