diff --git a/README.md b/README.md
index 140aa81..d8ba206 100644
--- a/README.md
+++ b/README.md
@@ -14,11 +14,8 @@ For the management IP address, another address in the same prefix should be defi
 
 Create a read-only token in NetBox. Define required variables:
 
-    # one for nb_inventory and one for nb_lookup
-    export NETBOX_API_KEY=<token>
-    export NETBOX_TOKEN="${NETBOX_API_KEY}"
-    # one for both
-    export NETBOX_API=<netbox API endpoint>
+    export NETBOX_API=<url>
+    export NETBOX_TOKEN=<token>
 
 Run one-off tasks with (add `--key-file` or other options as necessary):