diff --git a/README.md b/README.md
index c65f6a06..06d07dc7 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@ appropriate ASGI messages on the `send` channel.
 
 ### Response
 
-Signature: `Response(content=b'', status_code=200, headers=None, media_type=None)`
+Signature: `Response(content, status_code=200, headers=None, media_type=None)`
 
 * `content` - A string or bytestring.
 * `status_code` - An integer HTTP status code.