Merge branch 'ui-3-home' into ui-4-store

docs/devices.md

@@ -78,11 +78,11 @@ can add, edit, reorder and remove them without leaving the page you're on. When
 the headset reports a LAN IP on the same network as this computer and that IP
 isn't saved, it offers to add it. The offer puts the address first in the list,
 so on that network it wins over the Tailscale name; away from home the Tailscale
-name still leads. A new or edited address is tested straight away. When the test
-finishes and the first address that passed would be tried before the one in use,
-that address gets **Use now**, which reconnects. A reconnect tries the addresses
-in order and normally lands on it, but takes a later one if it's slow to answer
-then. Otherwise the change takes effect the next time Frame Control connects.
+name still leads. A new or edited address is tested straight away. While
+connected, **Reconnect** tries the addresses again in their current order, so an
+address just added or moved up is used now rather than at the next connection.
+It doesn't pick a particular address: the first to answer in order wins, and a
+slow one loses to a later one.
 
 ## Networks