fix hotword tokenize

haoneng.lhn

2023-07-17 52b36291e1a6bdac7f7f067b9e28e79b24de4c62

 docs/m2met2/index.rst

@@ -18,5 +18,6 @@
   ./Track_setting_and_evaluation
   ./Baseline
   ./Rules
   ./Challenge_result
   ./Organizers
   ./Contact