Update lm_train_tutorial.md

Yabin Li

2023-12-15 d2266616a142b7f57f29f1a840458a9865f953ac

 egs/alimeeting/modular_sa_asr/README.md

@@ -99,5 +99,5 @@
|                |VBx DER(%)     | SOND DER(%)|cp-CER(%)  |
|:---------------|:------------:|:------------:|----------:|
|before finetune  |  16.87       |  1.51     |  10.18    |
|after finetune |     16.87    |   1.51   |          |
|after finetune |     16.87    |   1.51   |    **8.84**  |