update highlighting

Author: devalog

fern/products/api-def/openapi-pages/extensions/examples.mdx

@@ -13,7 +13,7 @@ examples values that are all associated. Optionally, you can add a `name` field
 
 If you [defined global headers via the `x-fern-global-headers` extension](/api-definitions/openapi/extensions/global-headers), you must include the headers in your examples. 
 
-```yaml title="openapi.yml" {5-19}
+```yaml title="openapi.yml" {4-21}
 paths:
   /users/{userId}:
     get: