diff --git a/README.md b/README.md
index 97a0cc4..2ce9427 100644
--- a/README.md
+++ b/README.md
@@ -896,7 +896,7 @@
 |	[Swift](./Math/PalindromeNumber.swift)	|	9	|	[Palindrome Number](https://oj.leetcode.com/problems/palindrome-number/)	| Easy	|
 |	[Swift](./Math/Atoi.swift)	|	8	|	[String to Integer (atoi)](https://oj.leetcode.com/problems/string-to-integer-atoi/)	| Easy	|
 |	[Swift](./Math/ReverseInteger.swift)	|	7	|	[Reverse Integer](https://oj.leetcode.com/problems/reverse-integer/)	| Easy	|
-|	[Swift](./String/ZigZagConversion.swift)	|	6	|	[ZigZag Conversion](https://oj.leetcode.com/problems/zigzag-conversion/)	| Easy	|
+|	[Swift](./String/ZigZagConverstion.swift)	|	6	|	[ZigZag Conversion](https://oj.leetcode.com/problems/zigzag-conversion/)	| Easy	|
 |	[Swift](./DP/LongestPalindromicSubstring.swift)	|	5	|	[Longest Palindromic Substring](https://oj.leetcode.com/problems/longest-palindromic-substring/)	| Medium	|
 |	[Swift](./Search/MedianOfTwoSortedArrays.swift)	|	4	|	[Median of Two Sorted Arrays](https://leetcode.com/problems/median-of-two-sorted-arrays/)	| Hard	|
 |	[Swift](./String/LongestSubstringWithoutRepeatingCharacters.swift)	|	3	|	[Longest Substring Without Repeating Characters](https://leetcode.com/problems/longest-substring-without-repeating-characters/)	| Medium	|