Update 3.usage.md

fixed a typo

Author: jan-temmerman

content/1.getting-started/3.usage.md

@@ -33,7 +33,7 @@ defineProps({
 Import an existing Vue component and convert into a HTML string.
 
 ::callout{icon="i-heroicons-light-bulb"}
-You can use the `pretty` option to beatify the output.
+You can use the `pretty` option to beautify the output.
 ::
 
 ```ts