Update modeling_tf_utils.py (#6372)

fix typo: ckeckpoint->checkpoint

src/transformers/modeling_tf_utils.py

@@ -645,7 +645,7 @@ class TFPreTrainedModel(tf.keras.Model, TFModelUtilsMixin, TFGenerationMixin):
         else:
             logger.warning(
                 f"All the weights of {model.__class__.__name__} were initialized from the model checkpoint at {pretrained_model_name_or_path}.\n"
-                f"If your task is similar to the task the model of the ckeckpoint was trained on, "
+                f"If your task is similar to the task the model of the checkpoint was trained on, "
                 f"you can already use {model.__class__.__name__} for predictions without further training."
             )
         if len(error_msgs) > 0: