typo

Author: joaquinelio

5-network/11-websocket/article.md

@@ -88,7 +88,7 @@ Sec-WebSocket-Key: Iv8io/9s+lYFgZWcXczP8Q==
 Sec-WebSocket-Version: 13
 ```
 
-- `Origin` -- the origin of the client page, e.g. `https://javascript.info`. WebSocket objects are cross-origin by nature. There are no special headers or other limitations. Old servers are unable to handle WebSocket anyway, so there are no compabitility issues. But `Origin` header is important, as it allows the server to decide whether or not to talk WebSocket with this website.
+- `Origin` -- the origin of the client page, e.g. `https://javascript.info`. WebSocket objects are cross-origin by nature. There are no special headers or other limitations. Old servers are unable to handle WebSocket anyway, so there are no compatibility issues. But `Origin` header is important, as it allows the server to decide whether or not to talk WebSocket with this website.
 - `Connection: Upgrade` -- signals that the client would like to change the protocol.
 - `Upgrade: websocket` -- the requested protocol is "websocket".
 - `Sec-WebSocket-Key` -- a random browser-generated key for security.