diff --git a/examples/simple-client/async/README.rst b/examples/simple-client/async/README.rst
index a5fe7c1..7ba9204 100644
--- a/examples/simple-client/async/README.rst
+++ b/examples/simple-client/async/README.rst
@@ -18,7 +18,7 @@ asynchronous modes supported by the Socket.IO server.
 fiddle_client.py
 ----------------
 
-This is an extemely simple application based on the JavaScript example of the
+This is an extremely simple application based on the JavaScript example of the
 same name.
 
 Running the Examples