Update tokenizer_config.json

tokenizer_config.json

@@ -118,6 +118,7 @@
     "attention_mask"
   ],
   "model_max_length": 1000000000000000019884624838656,
+  "pad_token": ">>TITLE<<",
   "padding_side": "left",
   "tokenizer_class": "PreTrainedTokenizerFast"
 }