diff --git a/conv_seq2seq/beamsearch.py b/conv_seq2seq/beamsearch.py
index 22318c293996f953c544ebae0a1f43e352718cb5..72fb59d47445b2ad07c07c73093edf35a8f260a6 100644
--- a/conv_seq2seq/beamsearch.py
+++ b/conv_seq2seq/beamsearch.py
@@ -11,7 +11,6 @@ import reader
 class BeamSearch(object):
     """
     Generate sequence by beam search
-    NOTE: this class only implements generating one sentence at a time.
     """
 
     def __init__(self,