Docs: add kwargs type to fix formatting (#24733)

src/transformers/tokenization_utils_base.py

@@ -2133,7 +2133,7 @@ class PreTrainedTokenizerBase(SpecialTokensMixin, PushToHubMixin):
                 Whether or not to push your model to the Hugging Face model hub after saving it. You can specify the
                 repository you want to push to with `repo_id` (will default to the name of `save_directory` in your
                 namespace).
-            kwargs:
+            kwargs (`Dict[str, Any]`, *optional*):
                 Additional key word arguments passed along to the [`~utils.PushToHubMixin.push_to_hub`] method.
 
         Returns: