diff --git a/ndataset.py b/ndataset.py
index c06b7ba..a7469c0 100644
--- a/ndataset.py
+++ b/ndataset.py
@@ -23,7 +23,7 @@ class NsmcDataset(Dataset):
     def __getitem__(self, idx):
         return self.x[idx]
 
-def make_collate_fn(tokenzier: PreTrainedTokenizer):
+def make_collate_fn(tokenizer: PreTrainedTokenizer):
     def collate_fn(batch: List[NsmcRawData]):
         labels = [s.label for s in batch]
         return tokenizer([s.document for s in batch], return_tensors='pt', padding='longest', truncation=True), torch.tensor(labels)