[gnome-terminal] help: Page 'Hide and restore the menubar' only makes sense when manually enabled

[Andre Klapper <aklapper src gnome org>]

commit 6c729381e9c6bd6fb77365e788863fb7ede70d55
Author: Andre Klapper <a9016009 gmx de>
Date:   Sat Jan 4 19:31:26 2020 +0100

    help: Page 'Hide and restore the menubar' only makes sense when manually enabled

 help/C/pref-menubar.page | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/help/C/pref-menubar.page b/help/C/pref-menubar.page
index c351fc6f..b7a64b4d 100644
--- a/help/C/pref-menubar.page
+++ b/help/C/pref-menubar.page
@@ -4,6 +4,7 @@
 
   <info>
     <revision version="0.1" date="2013-02-21" status="candidate"/>
+    <revision version="0.2" pkgversion="3.34" date="2020-01-04" status="review"/>
     <link type="guide" xref="index#preferences"/>
     <link type="guide" xref="pref#global"/>
     <link type="seealso" xref="pref-keyboard-access"/>
@@ -33,6 +34,14 @@
 
   <title>Menubar visibility</title>
 
+  <note style="important">
+    <!-- see https://gitlab.gnome.org/GNOME/gnome-terminal/issues/145 -->
+    <p>This page is only relevant when the menubar is set to be visible.</p>
+    <p>By default, the menubar is not visible. Run the command
+    <cmd>gsettings set org.gnome.Terminal.Legacy.Settings headerbar false</cmd>
+    to see the menubar.</p>
+  </note>
+
   <p>You can enable or disable the menubar as desired. This may be useful if
   you have limited screen space. To hide the menubar:</p>