fix(customer-support-hotline): slug

Author: goosewin

fern/examples/customer-support-hotline.mdx

@@ -1,7 +1,7 @@
 ---
 title: Customer Support Hotline ☎️
 subtitle: Build a customer support agent that can create support tickets via a 24/7 phone hotline.
-slug: customer-support-hotline
+slug: examples/customer-support-hotline
 description: A fresh, phone-first guide to kickstart a customer support hotline for your business.
 ---