diff --git a/doc/strongswan-updown.sh b/doc/strongswan-updown.sh
index 1c08bfc..d7a7980 100644
--- a/doc/strongswan-updown.sh
+++ b/doc/strongswan-updown.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
-cat << EOF | curl -X POST -d @- -H "Event-Type: $PLUTO_VERB" http://ca.example.com/pub/?id=CA-channel-identifier-goes-here
-{"address": "$PLUTO_PEER_SOURCEIP","peer": "$PLUTO_PEER","identity": "$PLUTO_PEER_ID","routed_subnet": "$PLUTO_MY_CLIENT"}
+cat << EOF | curl -s -X POST -d @- -H "X-EventSource-Event: $PLUTO_VERB" http://ca.example.com/pub/?id=CA-channel-identifier-goes-here
+{"address": "$(echo $PLUTO_PEER_CLIENT  | sed 's/\/32$//')", "peer": "$PLUTO_PEER", "identity": "$PLUTO_PEER_ID", "routed_subnet": "$PLUTO_MY_CLIENT"}
 EOF
diff --git a/doc/usecase-diagram.dia b/doc/usecase-diagram.dia
index e3db949..435ca65 100644
Binary files a/doc/usecase-diagram.dia and b/doc/usecase-diagram.dia differ
diff --git a/doc/usecase-diagram.png b/doc/usecase-diagram.png
index c01efe5..820825b 100644
Binary files a/doc/usecase-diagram.png and b/doc/usecase-diagram.png differ