diff --git a/mesh.proto b/mesh.proto
index a49d928..a330ad3 100644
--- a/mesh.proto
+++ b/mesh.proto
@@ -541,14 +541,14 @@ message RadioConfig {
     uint32 num_missed_to_fail = 3;
 
     /// see sw-design.md
-    uint32 wait_bluetooth_secs = 4;
-    uint32 screen_on_secs = 5;
-    uint32 phone_timeout_secs = 6;
-    uint32 phone_sds_timeout_sec = 7;
-    uint32 mesh_sds_timeout_secs = 8;
-    uint32 sds_secs = 9;
-    uint32 ls_secs = 10;
-    uint32 min_wake_secs = 11;
+    uint32 wait_bluetooth_secs = 4; // 0 for default of 2 minutes
+    uint32 screen_on_secs = 5; // 0 for default of one minute
+    uint32 phone_timeout_secs = 6; // 0 for default of 15 minutes
+    uint32 phone_sds_timeout_sec = 7; // 0 for default of two hours, MAXUINT for disabled
+    uint32 mesh_sds_timeout_secs = 8; // 0 for default of two hours, MAXUINT for disabled
+    uint32 sds_secs = 9; // 0 for default of one year
+    uint32 ls_secs = 10; // 0 for default of 3600
+    uint32 min_wake_secs = 11; // 0 for default of 10 seconds
 
     /** If set, this node will try to join the specified wifi network and
      * acquire an address via DHCP */
@@ -579,6 +579,12 @@ message RadioConfig {
     */
     uint32 gps_attempt_time = 36;
 
+    /**
+    Are we operating as a router.  Changes behavior in the following ways:
+    FIXME
+    */
+    bool is_router = 37;
+
     /**
     This setting is never saved to disk, but if set, all device settings will be
     returned to factory defaults.  (Region, serial number etc... will be