diff --git a/monai/data/dataset.py b/monai/data/dataset.py
index 531893d768..79e066303e 100644
--- a/monai/data/dataset.py
+++ b/monai/data/dataset.py
@@ -427,7 +427,7 @@ def _transform(self, index: int):
 
 class CacheNTransDataset(PersistentDataset):
     """
-    Extension of `PersistentDataset`, tt can also cache the result of first N transforms, no matter it's random or not.
+    Extension of `PersistentDataset`, it can also cache the result of first N transforms, no matter it's random or not.
 
     """