diff --git a/articles/4. Adding entry to the extension menu.md b/articles/4. Adding entry to the extension menu.md
index d27c0fd..7516fc7 100644
--- a/articles/4. Adding entry to the extension menu.md	
+++ b/articles/4. Adding entry to the extension menu.md	
@@ -23,11 +23,16 @@ The parameter menu is the menu into which the new entry / action will be added.
         msgBox.exec_()
 ```
 
+![Extension menu](../images/Tutorial4/ExtensionMenu.png)
+
+![Extension menu](../images/Tutorial4/MessageBox.png)
+
 In this example the action will show messagebox[1] with 'Tutorial 4 - Message from extension menu'.
 
 The full code can be found at [extensions/Tutorial4](../extensions/Tutorial4)
 
 **Note:** Always create an instance of Action in `populateExtensionsMenu`.
-It will be deleted / destroyed when the menu is hidden.
+It will be deleted / destroyed when the menu is hidden.  
+Do **not** try to add keyboard shortcut to the action used to construct the menu, it will not work properly.
 
 [1]: https://doc.qt.io/qtforpython/PySide2/QtWidgets/QMessageBox.html
diff --git a/images/Tutorial4/ExtensionMenu.png b/images/Tutorial4/ExtensionMenu.png
new file mode 100644
index 0000000..0f45d42
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diff --git a/images/Tutorial4/MessageBox.png b/images/Tutorial4/MessageBox.png
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index 0000000..dfc81bb
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