Fix typo.

Author: fabiocaccamo

README.md

@@ -449,7 +449,7 @@ permissions = fsutil.get_permissions(path)
 #### `get_unique_name`
 
 ```python
-# Get a unique name for a directory/file ath the given directory path.
+# Get a unique name for a directory/file at the given directory path.
 unique_name = fsutil.get_unique_name(path, prefix="", suffix="", extension="", separator="-")
 ```
 

fsutil/__init__.py

@@ -825,7 +825,7 @@ def get_unique_name(
     separator: str = "-",
 ) -> str:
     """
-    Get a unique name for a directory/file ath the given directory path.
+    Get a unique name for a directory/file at the given directory path.
     """
     path = _get_path(path)
     assert_dir(path)