Update config.json

config.json

@@ -25,8 +25,8 @@
     "summarization": {
       "early_stopping": true,
       "length_penalty": 2.0,
-      "max_length": 200,
-      "min_length": 30,
+      "max_length": 500,
+      "min_length": 300,
       "no_repeat_ngram_size": 3,
       "num_beams": 4,
       "prefix": "summarize: "