Update config.json

config.json

@@ -161,6 +161,8 @@
     "summary_use_proj": true,
     "vocab_size": 8194,
     "feature_size": 80,
+    "relative_attention_num_buckets": 32,
+    "relative_attention_max_distance": 128
     },
   "autoregressive_config_dict": null
 }