help: Document modifying email visibility on sign-up.

help/configure-email-visibility.md

@@ -9,6 +9,17 @@ for new users in the organization.
 
 {start_tabs}
 
+{tab|on-sign-up}
+
+1. After confirming your email, click **Change** below your email address.
+
+1. Configure **Who can access your email address**.
+
+1. Click **Confirm** to apply your changes, and continue the account registration
+   process.
+
+{tab|desktop-web}
+
 {settings_tab|account-and-privacy}
 
 1. Under **Privacy**, configure **Who can access your email address**.

zerver/lib/markdown/tabbed_sections.py

@@ -92,6 +92,7 @@ TAB_SECTION_LABELS = {
     "logged-out": "If you are logged out",
     "user": "User",
     "bot": "Bot",
+    "on-sign-up": "On sign-up",
 }