diff --git a/README.md b/README.md
index de225c0..6529e48 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ whispering --language en --model tiny
 - ``-t`` sets temperatures to decode. You can set several like ``-t 0.0 -t 0.1 -t 0.5``, but too many temperatures exhaust decoding time
 - ``--debug`` outputs logs for debug
 - ``--no-vad`` disables VAD (Voice Activity Detection). This forces whisper to analyze non-voice activity sound period
+- ``--output`` sets output file (Default: Standard output)
 
 ### Parse interval