diff --git a/utils/he_ipv6/tpl/dnsmasq.include.j2 b/utils/he_ipv6/tpl/dnsmasq.include.j2
index dd97b95..a3f16dd 100644
--- a/utils/he_ipv6/tpl/dnsmasq.include.j2
+++ b/utils/he_ipv6/tpl/dnsmasq.include.j2
@@ -26,7 +26,7 @@ enable-ra
 # {{ assignment.iface }} assignment
 # Assignment blocks:
 {%- for b in assignment.iface_blocks %}
-# 	* {{ b|string }} ({{ assignment.dhcp6_ranges[assign_loop.index0] }})
+# 	* {{ b|string }} {{ assignment.dhcp6_ranges[assign_loop.index0] }}
 {%- endfor %}
 	{%- if do_listen %}
 listen-address = {{ assignment.iface_ll }}
diff --git a/utils/he_ipv6/tunnel.py b/utils/he_ipv6/tunnel.py
index b12a720..43a0828 100644
--- a/utils/he_ipv6/tunnel.py
+++ b/utils/he_ipv6/tunnel.py
@@ -132,6 +132,7 @@ class Assignment(object):
         for i in self.iface_blocks:
             # DHCPv6 range.
             _base = str(i.ip).rstrip(':')
+            logger.debug('Base prefix for {0}: {1}'.format(str(i), _base))
             start = '{0}:dead:beef:cafe:0'.format(_base)
             stop = '{0}:dead:beef:cafe:ffff'.format(_base)
             self.dhcp6_ranges.append((start, stop))