diff --git a/egs/librispeech/ASR/README.md b/egs/librispeech/ASR/README.md
index c053076a3..c71a8bfdf 100644
--- a/egs/librispeech/ASR/README.md
+++ b/egs/librispeech/ASR/README.md
@@ -19,6 +19,7 @@ The following table lists the differences among them.
 | `pruned_transducer_stateless`         | Conformer           | Embedding + Conv1d | Using k2 pruned RNN-T loss                        |
 | `pruned_transducer_stateless2`        | Conformer(modified) | Embedding + Conv1d | Using k2 pruned RNN-T loss                        |
 | `pruned_transducer_stateless3`        | Conformer(modified) | Embedding + Conv1d | Using k2 pruned RNN-T loss + using GigaSpeech as extra training data |
+| `pruned_transducer_stateless4`        | Conformer(modified) | Embedding + Conv1d | Using k2 pruned RNN-T loss + Random combiner|
 
 
 The decoder in `transducer_stateless` is modified from the paper