diff --git a/speech/cloud-client/README.rst b/speech/cloud-client/README.rst
index c0d970f273e..cd5892345a4 100644
--- a/speech/cloud-client/README.rst
+++ b/speech/cloud-client/README.rst
@@ -127,7 +127,7 @@ To run this sample:
     
     Example usage:
         python transcribe_async.py resources/audio.raw
-        python transcribe_async.py gs://cloud-samples-tests/speech/brooklyn.flac
+        python transcribe_async.py gs://cloud-samples-tests/speech/brooklyn.raw
     
     positional arguments:
       path        File or GCS path for audio file to be recognized