[docs] Fix typos in documentation (#11414)

python/ray/serve/api.py

@@ -358,7 +358,7 @@ def start(detached: bool = False,
             this to "0.0.0.0". One HTTP server will be started on each node in
             the Ray cluster.
         http_port (int): Port for HTTP server. Defaults to 8000.
-        http_middleswares (list): A list of Starlette middlewares that will be
+        http_middlewares (list): A list of Starlette middlewares that will be
             applied to the HTTP servers in the cluster.
     """
     # Initialize ray if needed.

python/ray/serve/examples/doc/quickstart_class.py

@@ -18,4 +18,4 @@ client.create_backend("counter", Counter)
 client.create_endpoint("counter", backend="counter", route="/counter")
 
 requests.get("http://127.0.0.1:8000/counter").json()
-# > {"current_counter": self.count}
+# > {"current_counter": 0}