Update managed.mdx

Author: okdistribute

iroh-services/relays/managed.mdx

@@ -46,7 +46,7 @@ For production use cases, we recommend setting up at least two relays in
 different geographic regions. This ensures that if one relay goes down or
 becomes unreachable, your endpoints can still connect through the other relay.
 
-Each relay can handle up to 10,000 concurrent connections, so for larger scale
+Each relay can handle up to 60,000 concurrent connections, so for larger scale
 deployments, you may need to set up multiple relays in each region or [contact
 us to increase the size of your relays](mailto:support@iroh.computer).