chord diagram: Show note name for not open

src/chord_diagram_top_toggle.rs

@@ -155,13 +155,15 @@ impl FretboardChordDiagramTopToggle {
         let imp = self.imp();
 
         let tooltip_text = match imp.state.get() {
-            TopToggleState::Off => gettext("Not Open"),
+            TopToggleState::Off => i18n_fmt!(
+                i18n_fmt("Not Open ({})", self.imp().note_name.get())
+            ),
             TopToggleState::Muted => i18n_fmt!(
                 // translators: The text between the `{}` markers is the note of the muted string.
                 i18n_fmt("Muted ({})", self.imp().note_name.get())
             ),
             TopToggleState::Open => i18n_fmt!(
-                // translators: The text between the `{}` markers is the note of the open string. Open is an adjective not a verb.
+                // translators: The text between the `{}` markers is the note of the open string. "Open" is an adjective, not a verb.
                 i18n_fmt("Open ({})", self.imp().note_name.get())
             ),
         };