diff --git a/doc/main.conf b/doc/main.conf
index 0f67792b..16b857c2 100644
--- a/doc/main.conf
+++ b/doc/main.conf
@@ -23,6 +23,13 @@ ControlPortOverNL80211=True
 #
 # Set the threshold RSSI for roaming
 roam_rssi_threshold=-70
+#
+# Do not allow iwd to destroy / recreate wireless interfaces at startup,
+# including default interfaces.  Enable this behavior if your wireless card
+# driver is buggy or does not allow such an operation, or if you do not want
+# iwd to manage netdevs for another reason.  For most users with an upstream
+# driver it should be safe to omit/disable this setting.
+# use_default_interface=true
 
 [Scan]
 #