diff --git a/MILESTONES.md b/MILESTONES.md
index 3211a9b..07923d1 100644
--- a/MILESTONES.md
+++ b/MILESTONES.md
@@ -67,7 +67,7 @@ project:
      - Development and description of Dataspace interaction protocols
        capturing system-layer features
 
- 12. Prototyping of Dataspace system layer
+ 12. ✓✓ Prototyping of Dataspace system layer
      - Development and description of mobile-phone-specific Dataspace
        interaction protocols
      - Development of generic system-layer components
diff --git a/notes/buses.md b/notes/buses.md
index a55d00d..8f252a2 100644
--- a/notes/buses.md
+++ b/notes/buses.md
@@ -4,7 +4,8 @@ title: 'Buses'
 
 DBus - https://www.freedesktop.org/wiki/Software/dbus/
 
-ubus (openwrt) - https://oldwiki.archive.openwrt.org/doc/techref/ubus
+ubus (openwrt) - https://openwrt.org/docs/techref/ubus
+ - https://git.openwrt.org/project/ubus.git
  - ACLs
 
 plumber (plan9!) - http://man.cat-v.org/plan_9/4/plumber