diff --git a/utilities/index6.txt b/utilities/index6.txt
index bd3c97c..ec51269 100644
--- a/utilities/index6.txt
+++ b/utilities/index6.txt
@@ -76,4 +76,5 @@ firewall firewalls
 'happy eyeballs'
 multihoming multi-homing MHMP
 'IPv4 as a Service' IPv4aaS
+Ethertype