diff --git a/releasenotes/notes/bug-1668803-c39f746e38878239.yaml b/releasenotes/notes/bug-1668803-c39f746e38878239.yaml
index 86dc315a..60b08a70 100644
--- a/releasenotes/notes/bug-1668803-c39f746e38878239.yaml
+++ b/releasenotes/notes/bug-1668803-c39f746e38878239.yaml
@@ -6,6 +6,7 @@ fixes:
 
     $ docker run --net=dualnet -itd --name=container --ip 10.2.0.4 \
         --ip6 fe80::8 busybox
+
     ...
     docker: Error response from daemon: IpamDriver.RequestAddress: Requested ip address {'subnet_id': u'xxx', 'ip_address': u'fe80::8'} already belongs to a bound Neutron port: XXX.