docs: fix highlighting (dotansimha#8977)

Author: n1ru4l

website/src/pages/plugins/presets/preset-client.mdx

@@ -141,7 +141,7 @@ In this scenario, you will need to import it from the generated files, as descri
 
 The `useFragment()` function helps narrowing down the Fragment type from a given data object (ex: `film` object to a `FilmFragment` object):
 
-```tsx filename="src/Film.tsx" {16-17}
+```tsx filename="src/Film.tsx" {14-15}
 import { FragmentType, useFragment } from './gql/fragment-masking'
 import { graphql } from '../src/gql'