Be clearer why we use numbered scopes

diff --git a/src/tests/unit/dhcpv6.txt b/src/tests/unit/dhcpv6.txt
index 4e30ce4ae48667b3fe6595d2c423a6807a1438bb..a553d8e7e926750436962d1835c41d498792eff0 100644 (file)
--- a/src/tests/unit/dhcpv6.txt
+++ b/src/tests/unit/dhcpv6.txt
@@ -82,7 +82,7 @@ data 00 78 00 04 00 00 00 01
 encode-pair DHCPv6-Unicast = 2001:0db8:85a3:0000:0000:8a2e:0370:7334
 data 00 0c 00 10 20 01 0d b8 85 a3 00 00 00 00 8a 2e 03 70 73 34
 
-# Scope should be ignored (numbered scopes work everywhere, interfaces don't)
+# Scope should be ignored.  We use %0 as numbered scopes work everywhere, interfaces don't
 encode-pair DHCPv6-Unicast = 2001:0db8:85a3:0000:0000:8a2e:0370:7334%0
 data 00 0c 00 10 20 01 0d b8 85 a3 00 00 00 00 8a 2e 03 70 73 34