fix backtick typo

Co-authored-by: Copilot <[email protected]>

Author: atilafassina

src/routes/solid-router/reference/primitives/use-preload-route.mdx

@@ -12,7 +12,7 @@ preload(`/users/settings`, { preloadData: true });
 
 ## Usage
 
-Routes are preloaded by default when using the [`<A>`](/solid-router/reference/components/a)` component.
+Routes are preloaded by default when using the [`<A>`](/solid-router/reference/components/a) component.
 This helper is useful when you want to preload a route in response to some other event, such as a button click or a timer.
 
 ## Type Signature