diff --git a/README.md b/README.md
index e40224b..2ffe58a 100644
--- a/README.md
+++ b/README.md
@@ -91,7 +91,7 @@ async def main():
                 prompt_preamble="Have a pleasant conversation about life",
             ),
         ),
-        synthesizer_config=AzureSynthesizer(
+        synthesizer=AzureSynthesizer(
             AzureSynthesizerConfig.from_output_device(speaker_output)
         ),
     )