docs: Update plugins.mdx (#1690)

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

@@ -18,7 +18,7 @@ functions. Each function receives a context object and returns a hooks object.
 
 Plugins are loaded from:
 
-1. `.opencode/plugin` directory either in your proejct
+1. `.opencode/plugin` directory either in your project
 2. Or, globally in `~/.config/opencode/plugin`
 
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