diff --git a/Python/prime-palindrome.py b/Python/prime-palindrome.py
index c93690413..78bc2266c 100644
--- a/Python/prime-palindrome.py
+++ b/Python/prime-palindrome.py
@@ -1,4 +1,4 @@
-# Time:  O(n^(3/2))
+# Time:  O(n^(1/2) * (logn + n^(1/2)))
 # Space: O(logn)
 
 # Find the smallest prime palindrome greater than or equal to N.