Update config.json

config.json

@@ -30,7 +30,7 @@
   "use_cache": true,
   "vocab_size": 256206,
   "tokenizer_class": "NllbTokenizer",
-  "max_length": 200
+  "max_length": 200,
   "task_specific_params":{
     "translation": {"src_lang": "fr", "tgt_lang": "en"}
   }