style: add space below keybinding section headers

README.md

@@ -77,7 +77,7 @@ These are the default bindings. Overrides in `[keys]` replace an action's bindin
 **Ctrl-C quits from any mode or popup.**
 
 The bottom bar shows essential actions for the current context. Press `?` in normal mode—including selectors and previews—for the full reference. Scroll help with `j` / `k`, arrows, Ctrl-J / Ctrl-K, or PageDown / PageUp; `?` or Esc closes it without changing the underlying view or dialog. In text fields, `?` remains ordinary input.
-The overview groups shortcut/action rows under bold section headers such as `VIEWS AND VIDEOS`. Shortcuts and action descriptions remain normal weight; the rows reflect configured bindings rather than showing internal action paths.
+The overview groups shortcut/action rows under bold section headers such as `VIEWS AND VIDEOS`, with an empty line beneath each header. Shortcuts and action descriptions remain normal weight; the rows reflect configured bindings rather than showing internal action paths.
 
 Back and forward navigation restore cached videos, selection, and pagination, including replaced temporary tabs. Removed views are skipped; empty history leaves the current view unchanged. Opening a different view after going back discards the old forward branch. Esc first closes a dialog or leaves insert mode without navigating. Minus and plus remain ordinary text inside input fields.
 

src/keys.rs

@@ -515,6 +515,7 @@ impl Bindings {
         for &(heading, rows) in sections {
             text.push_line("");
             text.push_line(Line::from(Span::raw(heading).bold()));
+            text.push_line("");
             for &(actions, description) in rows {
                 if actions == [InfoOverview, InfoDescription]
                     && self.labels[InfoOverview as usize] != self.labels[InfoDescription as usize]