Merge pull request #3582 from github/desktop-disabling-repo-indicators

[GitHub Desktop] Update preference/options menu

Author: ethanpalm

assets/images/help/desktop/mac-select-accounts-pane.png

@@ -2,4 +2,5 @@
     - Choose **Integrations** to pick an external editor or shell.
     - Choose **Git** to edit your Git configuration.
     - Choose **Appearance** to switch between the light or dark theme.
+    - Choose **Prompts** to enable or disable confirmation dialogs before performing destructive actions.
     - Choose **Advanced** for more configuration options.