diff --git a/README.md b/README.md
index 2e52f94..1c2bfc4 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,11 @@ git clone https://github.com/shirayu/whisper_streaming.git
 cd whisper_streaming
 poetry install --only main
 
-# Run!
-poetry run whisper_streaming --language ja --model base -n 20
+# Run in English
+poetry run whisper_streaming --language en --model base -n 20
 ```
 
+- ``--language`` set the language to transcribe. The list of languages are shown with ``poetry run whisper_streaming -h``
 - ``-n`` sets interval of parsing. Larger values can improve accuracy but consume more memory.
 - ``--debug`` outputs logs for debug