Update config.json

config.json

@@ -15,8 +15,8 @@
   "max_position_embeddings": 514,
   "model_type": "roberta",
   "num_attention_heads": 12,
-  "num_hidden_layers": 6,
+  "num_hidden_layers": 8,
   "pad_token_id": 1,
   "type_vocab_size": 1,
-  "vocab_size": 220000
+  "vocab_size": 150000
 }