Update language_model/attrs.json

language_model/attrs.json

@@ -1 +1 @@
-{"alpha": 0.8, "beta": 5.0, "unk_score_offset": -20.0, "score_boundary": true}
+{"alpha": 0.8, "beta": 5.0, "unk_score_offset": -50.0, "score_boundary": true}