typo

examples/run_lm_finetuning.py

@@ -324,7 +324,7 @@ def main():
     parser.add_argument("--block_size", default=-1, type=int,
                         help="Optional input sequence length after tokenization."
                              "The training dataset will be truncated in block of this size for training."
-                             "Default to the model max input length fo single sentences inputs (take into account special tokens).")
+                             "Default to the model max input length for single sentence inputs (take into account special tokens).")
     parser.add_argument("--do_train", action='store_true',
                         help="Whether to run training.")
     parser.add_argument("--do_eval", action='store_true',