fix grammar

Author: sacrosanctic

documentation/docs/07-misc/03-typescript.md

@@ -132,7 +132,7 @@ The content of `generics` is what you would put between the `<...>` tags of a ge
 
 ## Typing wrapper components
 
-In case you're writing a component that wraps a native element, you may want to expose all the attributes of underlying element to the user. In that case, use (or extend from) one of the interfaces provided by `svelte/elements`. Here's an example for a `Button` component:
+In case you're writing a component that wraps a native element, you may want to expose all the attributes of the underlying element to the user. In that case, use (or extend from) one of the interfaces provided by `svelte/elements`. Here's an example for a `Button` component:
 
 ```svelte
 <script lang="ts">