diff --git a/Extension-A.md b/Extension-A.md
index e52d3a4..5fb6c52 100644
--- a/Extension-A.md
+++ b/Extension-A.md
@@ -57,6 +57,7 @@ ipv6 dhcp pool VLAN30-DHCP
  domain-name streamline.local
 
 ```
+Hamburg is the only location using Stateful DHCPv6. All other cities (Lübeck, Berlin, München) rely on SLAAC or Stateless DHCPv6.
 
 ```
 interface GigabitEthernet0/0/0.10