Update packages/svelte/src/index.d.ts

Co-authored-by: Rich Harris <rich.harris@vercel.com>

packages/svelte/src/index.d.ts

@@ -3,7 +3,7 @@
 import './ambient.js';
 
 /**
- * @deprecated Svelte components were classes in Svelte 4. In Svelte 5, they are not anymore.
+ * @deprecated In Svelte 4, components are classes. In Svelte 5, they are functions.
  * Use `mount` or `createRoot` instead to instantiate components.
  * See [breaking changes](https://svelte-5-preview.vercel.app/docs/breaking-changes#components-are-no-longer-classes)
  * for more info.