Update config.json

config.json

@@ -29,9 +29,9 @@
   "task_specific_params": {
     "conversational": {
         "max_length":200,      
-        "no_repeat_ngram_size":3,       
+        "no_repeat_ngram_size":2,       
         "do_sample":true, 
-        "top_k":100, 
+        "top_k":90, 
         "top_p":0.7,
         "temperature":0.85
     }