docs: fix typo in config.mdx (#218)

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

@@ -5,7 +5,7 @@ title: Config
 You can configure opencode using a JSON config file that can be placed in:
 
 - Globally under `~/.config/opencode/config.json`.
-- Your project root under `opencode.json`. This is safe to checked into Git and uses the same schema as the global one.
+- Your project root under `opencode.json`. This is safe to be checked into Git and uses the same schema as the global one.
 
 ```json
 {