diff --git a/ui/docs/navigation.md b/ui/docs/navigation.md
index 2c0d590..a8bd24e 100644
--- a/ui/docs/navigation.md
+++ b/ui/docs/navigation.md
@@ -95,7 +95,11 @@ label `game.shell.menu.return_to_lobby`); it calls
 `appScreen` / `activeView` persist a snapshot (screen, game id, view +
 sub-params) to `sessionStorage` (`galaxy-app-nav`) on every mutation
 and read it back once at construction, so a refresh restores the last
-screen and view. On a full load the dispatcher records the restored
+screen and view. Re-entering a game from the lobby is not a restore: the
+lobby resets `activeView` to the map before `appScreen.go("game")`, so
+only an in-place refresh replays the saved view — browser Back and the
+in-game return-to-lobby control both exit to the lobby. On a full load
+the dispatcher records the restored
 game id (`appScreen.restoredGameId`); the game shell's boot path then
 validates it against the player's game list. `GameStateStore.init`
 looks the game up through `listMyGames` / `findGame`, and if the game