diff --git a/vars/local_vars_big.yml b/vars/local_vars_big.yml
index 6f839df17..4a55dcf36 100644
--- a/vars/local_vars_big.yml
+++ b/vars/local_vars_big.yml
@@ -54,7 +54,8 @@ wifi_up_down: True    # Creates a 2nd virtual wifi adapter for upstream WiFi
 wan_ip: dhcp       # wan_ip: 192.168.1.99
 wan_netmask:       # wan_netmask: 255.255.255.0
 wan_gateway:       # wan_gateway: 192.168.1.254
-wan_nameserver:    # wan_nameserver: 192.168.1.254
+# Can be set to override ISP-provided DNS servers when on a DHCP network:
+wan_nameserver:    # wan_nameserver: 192.168.1.254 or 8.8.8.8 or 1.1.1.1
 wan_try_dhcp_before_static_ip: True   # Facilitate field updates w/ cablemodems
 
 # Enable "campus access" to ~10 common IIAB services like Kiwix (3000), KA Lite