docs: fix typo

Author: 0xflotus

README.md

@@ -67,7 +67,7 @@ Use class-based controllers to handle websocket events. Helps to organize your c
     createSocketServer(3001);
     ```
 
-3. Now you can send `save` websocket message using webosocket-client.
+3. Now you can send `save` websocket message using websocket-client.
 
 ## More usage examples