docs: fix typo in SDK documentation (#3355)

packages/web/src/content/docs/sdk.mdx

@@ -69,7 +69,7 @@ opencode.server.close()
 
 ## Client only
 
-If you aready have a running instance of opencode, you can create a client instance to connect to it:
+If you already have a running instance of opencode, you can create a client instance to connect to it:
 
 ```javascript
 import { createOpencodeClient } from "@opencode-ai/sdk"