[Initiatives.wiki] Update App Menu Retirement

[Allan Day <allanday src gnome org>]

commit 35e00d9b393a5991914db15bd0b4fd5f5f2e157b
Author: Allan Day <allanpday gmail com>
Date:   Thu Sep 20 09:19:24 2018 +0000

    Update App Menu Retirement

 App-Menu-Retirement.md | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/App-Menu-Retirement.md b/App-Menu-Retirement.md
index 91b3c63..e2d23e1 100644
--- a/App-Menu-Retirement.md
+++ b/App-Menu-Retirement.md
@@ -28,18 +28,24 @@ For the purposes of this exercise, there are three types of application:
 
 Examples of this type of application include Files, Image Viewer, Text Editor, Web.
 
+These apps have a primary menu in the header bar, which includes items from the app menu.
+
 ![app-menu-guidance-standalone](/uploads/653fefcf7f09be754b92b8dbb6c9cdf4/app-menu-guidance-standalone.png)
 
 ### 2. Applications with in-window navigation
 
 Examples of this type of application include Documents, Photos, Software.
 
+These apps have both primary and a secondary menus. The primary menu contains items from the app menu.
+
 
![app-menu-guidance-in-window-nav](/uploads/a4115c8ab171767b6b4c68098596f04b/app-menu-guidance-in-window-nav.png)
 
 ### 3. Applications that use a sidebar for navigation
 
 Examples of this type of application include Contacts and Settings.
 
+These apps have both primary and secondary menus. The primary menu contains items from the app menu.
+
 ![app-menu-guidance-sidebar](/uploads/a886883e6294378af751176697e8c478/app-menu-guidance-sidebar.png)
 
 If you are in doubt, just ask in #gnome-design!
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