ui: the tour names the dock button; the user guide's key table follows shortcuts.cpp

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/USER-GUIDE.md

@@ -203,19 +203,24 @@ per sample, `time`, `stream_time`, then one column per signal.
 |---|---|
 | `space` | pause / resume |
 | `a` | arm / disarm the trigger |
-| `t` | the trigger panel |
-| `l` | the layout editor |
-| `g` | go live |
-| `f` | fit to data |
-| `d` | add the first free signal to the focused row |
-| `c` | cursors on/off |
-| `m` | measurements pane |
-| `e` | export |
-| `?` | shortcuts |
+| `t` | enable / disable trigger mode |
+| `c` | enable / disable the cursors |
+| `m` | open or close the Measurements page |
+| `g` | open or close the Signals page (the `+` badge opens it too) |
+| `l` | show / hide the layout editor |
+| `s` | show / hide the dock |
+| `Esc` | close the slide-over page (the guided tour takes it first) |
+| `f` | fit to data (the plot's own key) |
+| `Ctrl+E` | export visible range |
+| `F1` | open the manual |
+| `Ctrl+/` | open the shortcut overview |
+| `Ctrl+T` | start the guided tour |
+| `Ctrl+H` | turn the contextual help on or off |
+| `Ctrl+Q` | quit |
 
-`Ctrl+E` exports, `Ctrl+Q` quits, `Ctrl+plus`/`Ctrl+minus` zoom x and `Alt+plus`/`Alt+minus` zoom y.
-A keystroke is ignored while a text field has focus, so typing in the window control never arms the
-trigger.
+The plot also answers `+`/`-` (zoom both axes), `Ctrl+plus`/`Ctrl+minus` (zoom x only),
+`Alt+plus`/`Alt+minus` (zoom y only) and the arrow keys (pan). A keystroke is ignored while a text
+field has focus, so typing in the window control never arms the trigger.
 
 ## 13. Troubleshooting
 

src/ui_app.hpp

@@ -786,8 +786,8 @@ struct App {
   std::string config_comment;
   /// The cache of captured events, and whether latches are being written to it. The store is created
   /// once the source is known (it is keyed on `<host>-<port>`, like the packet capture);
-  /// `event_recording` is the trigger panel's switch and defaults on -- the cache is only useful if
-  /// it was already on when the event you wanted happened.
+  /// `event_recording` is the trigger panel's switch and starts off; the cache is only useful if
+  /// it was already on when the event you wanted happened, so switch it on before the events you want.
   std::unique_ptr<EventStore> event_store;
   /// Whether the cache holds anything, refreshed once a second: what keeps the dock's Events block and the
   /// `events` page live for a source whose events are already written, even with recording switched off.

src/ui_probe.cpp

@@ -185,8 +185,8 @@ gboolean exit_probe_step3b(gpointer user) {
   a->dbg_dock_sensitive = gtk_widget_get_sensitive(a->side_box) ? 1 : 0;
   a->dbg_dock_w = a->dbg_side_w;
   {
-    // The dock holds only the readouts box; the full cursors and measurements panels are slide-over pages,
-    // registered whether or not either is open.
+    // The dock holds only the readouts box, a separator and the events block; the full cursors and
+    // measurements panels are slide-over pages, registered whether or not either is open.
     int children = 0;
     for (GtkWidget* c = gtk_widget_get_first_child(a->dock_page); c != nullptr;
          c = gtk_widget_get_next_sibling(c)) {

src/ui_tour.cpp

@@ -459,7 +459,7 @@ constexpr TourStep kTourSteps[] = {
      "fixed width, with the recorded events below them: one row per latched event, newest first, and "
      "one click on a row replays it. Edit, beside each heading, opens that instrument's full panel "
      "over the plot, Manage opens the full list of events; a click on a measurement opens its "
-     "dialog. The side-panel button in the bar above shows and hides the dock.",
+     "dialog. The dock button in the bar above shows and hides the dock.",
      &App::side_box},
     {"signals", "signals", "Adding a signal",
      "What can be added: the signals the source declares that are not acquired yet, each with the "