Update config.json

config.json

@@ -227,5 +227,7 @@
   "tie_word_embeddings": false,
   "tokenizer_class": "speech_to_text_2",
   "torch_dtype": "float32",
-  "transformers_version": null
+  "transformers_version": null,
+  "num_beams": 5,
+  "max_length": 200
 }