Update config.json

config.json

@@ -28,10 +28,11 @@
   "summary_type": "last",
   "summary_use_proj": true,
   "task_specific_params": {
-    "text_generation": {
-      "max_length": 210
+    "text-generation": {
+      "do_sample": true,
+      "max_length": 250
     }
   },
   "untie_r": true,
   "vocab_size": 32000
-}
+}