docs: add FAQ for updating WhatsApp business profile info

docs/8. FAQ/Updating Your WhatsApp Business Profile Info.md

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+<h3>
+ <table>
+  <tr>
+    <td><b>3 minutes read</b></td>
+    <td style={{ paddingLeft: '40px' }}><b>Level: Beginner </b></td>
+    <td style={{ paddingLeft: '40px' }}><b>Last Updated: July 2026</b></td>
+  </tr>
+</table>
+</h3>
+
+# Updating Your WhatsApp Business Profile Info
+
+When a contact taps on your chatbot's name in WhatsApp, they see a business profile - your description, address, email, and website links. This information isn't managed in Glific. It's part of your WhatsApp Business Profile, which you manage through Gupshup (the WhatsApp Business API provider Glific uses to send and receive messages).
+
+## What you can update
+
+- Profile photo
+- Business description (the short summary shown at the top of the profile)
+- Website URLs (your primary website, plus any additional ones)
+- Business email address
+- Physical business address
+- About text (shown when a contact taps the info icon at the top of the chat)
+- Contact details (phone numbers and social media handles)
+
+## Steps to update your business profile
+
+1. Log in to your Gupshup account - the same account used when you [set up Gupshup](https://glific.github.io/docs/docs/Pre%20Onboarding/Gupshup%20Setup/) for your chatbot.
+2. Go to `Dashboard` > select your app > `Profile`.
+3. Update whichever fields you need - photo, description, website, email, address, about text, or contact details.
+4. Save your changes.
+
+Note: These updates go to WhatsApp directly, not through Glific, so there's nothing further to configure in Glific for this to take effect. It can take a little time for the changes to show up consistently across Android, iOS, Web, and Desktop WhatsApp for your contacts.
+
+---
+
+You can read more about related setup here:
+- [Gupshup Setup](https://glific.github.io/docs/docs/Pre%20Onboarding/Gupshup%20Setup/)