diff --git a/README.md b/README.md
index d8ba206..215adaa 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Each server should have the following information recorded in NetBox:
   - network interfaces `lan*`: used for BGP routing; must define MAC address
   - network interface `lo`: must define the IP address to announce over BGP, also serves as router ID
 
-For the management IP address, another address in the same prefix should be defined with the tag `gateway`.
+MAC addresses are used to rename interfaces in the host OS. Prefix for the management IP address should define the `gateway` custom field.
 
 # Run