fix README synatx error

Author: P-ppc

README.md

@@ -133,7 +133,7 @@ All solutions will be accepted!
 |67|[Add Binary](https://leetcode-cn.com/problems/add-binary/description/)|[java/py/js](./algorithms/AddBinary)|Easy|
 |504|[Base 7](https://leetcode-cn.com/problems/base-7/description/)|[java/py/js](./algorithms/Base7)|Easy|
 |830|[Positions Of Large Groups](https://leetcode-cn.com/problems/positions-of-large-groups/description/)|[java/py/js](./algorithms/PositionsOfLargeGroups)|Easy|
-|572|[Subtree Of Another Tree](https://leetcode-cn.com/problems/subtree-of-another-tree/description/)|[java/py/js](./algorithms/Subtree Of Another Tree)|Easy|
+|572|[Subtree Of Another Tree](https://leetcode-cn.com/problems/subtree-of-another-tree/description/)|[java/py/js](./algorithms/SubtreeOfAnotherTree)|Easy|
 |819|[Most Common Word](https://leetcode-cn.com/problems/most-common-word/description/)|[java/py/js](./algorithms/MostCommonWord)|Easy|
 |172|[Factorial Trailing Zeroes](https://leetcode-cn.com/problems/factorial-trailing-zeroes/description/)|[java/py/js](./algorithms/FactorialTrailingZeroes)|Easy|
 |290|[Word Pattern](https://leetcode-cn.com/problems/word-pattern/description/)|[java/py/js](./algorithms/WordPattern)|Easy|