diff --git a/ipv6-ipv4-stateless-mapping.dot b/ipv6-ipv4-stateless-mapping.dot
new file mode 100644
index 0000000..1252b05
--- /dev/null
+++ b/ipv6-ipv4-stateless-mapping.dot
@@ -0,0 +1,16 @@
+digraph G {
+    node [ shape=box ]
+    rankdir=LR;
+
+    v6lan [ label="IPv6 only hosts\n2001:db8::/120 " ]
+    v4hosts [ label="IPv4 addresses\n192.0.2.0/24" ]
+    v6lan->v4hosts [ label="Map 8 bits of IPv6 to IPv4" ]
+    v4hosts->v6lan [ label="Map 8 bits of IPv4 to IPv6" ]
+
+    v6lan1 [ label="2001:db8::1 " ]
+    v4hosts1 [ label="192.0.2.1" ]
+    v6lan1->v4hosts1 [ label="Map IPv6 address to IPv4" ]
+    v4hosts1->v6lan1 [ label="Map IPv4 address to IPv6" ]
+
+    label="Stateless NAT64 (SIIT)"
+}
diff --git a/ipv6-naming-with-proxy.dot b/ipv6-naming-with-proxy.dot
index 6fb388b..475a9a4 100644
--- a/ipv6-naming-with-proxy.dot
+++ b/ipv6-naming-with-proxy.dot
@@ -1,6 +1,6 @@
 digraph G {
     node [ shape=box ]
-    rankdir=LR;
+#    rankdir=LR;
 
     label="Hostnames for IPv6 only hosts"
 
@@ -17,21 +17,20 @@ digraph G {
     clientv6 [ label="IPv6 client" ];
     clientdual [ label="Dual Stack client" ];
 
-    dns->proxy [ label="A entry points to proxy" ]
-    dns->serverv6 [ label="AAAA entry points to the server directly" ]
+    dns->proxy [ label="A entry points to proxy" style=dashed ]
+    dns->serverv6 [ label="AAAA entry points to the server" style=dashed ]
 
-    {clientv4,clientv6,clientdual}->dns [ label="First perform a DNS lookup" ]
+    {clientv4,clientv6,clientdual}->dns [ label="1. perform a DNS lookup" ]
 
-    clientdual->{proxy,serverv6} [ label="Accesses either way" style=dashed ]
+    clientdual->{proxy,serverv6} [ label="2. Accesses either way" style=dashed ]
 
-
-    clientv4->proxy [ label="Accesses server via proxy" ]
-    clientv6->serverv6 [ label="Accesses server directly" ]
+    clientv4->proxy [ label="2. Accesses server via proxy" ]
+    clientv6->serverv6 [ label="2. Accesses server directly" ]
 
     proxy->serverv6 [ label="Forwards HTTP/HTTPS requests" ]
     serverv6->http [ label="Serves content for" ]
 
-    {clientv6,clientdual}->serverv6 [ label="Access via\nv6.example.com" ]
+    {clientv6,clientdual}->serverv6 [ label="3. Access via\nv6.example.com\nAlways directly" ]
 
 
 }