Document Discord bot channel selector (#2362)

* Update ai/discord.mdx

Co-Authored-By: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

* Update ai/discord.mdx

Co-Authored-By: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>

* copy edit and update images

* use `#ask-ai` channel name

---------

Co-authored-by: mintlify[bot] <109931778+mintlify[bot]@users.noreply.github.com>
Co-authored-by: Ethan Palm <56270045+ethanpalm@users.noreply.github.com>

Author: mintlify[bot]

ai/discord.mdx

@@ -10,9 +10,7 @@ keywords: ["Discord", "bot", "Q&A", "customer support"]
 
 The Discord bot supports your community with real-time answers from your documentation. The bot uses the Mintlify assistant to search your docs and provide accurate, cited responses, so it is always up-to-date.
 
-The bot only works in public channels.
-
-The Discord bot responds to `@` mentions and to every message in channels named `#ask-ai`.
+The Discord bot only works in public channels. It replies to `@` mentions or to all messages in a specific channel.
 
 Each message sent by the Discord bot counts toward your assistant message usage.
 
@@ -34,15 +32,19 @@ Each message sent by the Discord bot counts toward your assistant message usage.
 
 ## Create an `#ask-ai` channel
 
-To help your community quickly get answers to their questions, create a channel named `#ask-ai` and add the bot to it. The bot will respond to every message in that channel. See [Starting Your First Discord Server](https://discord.com/blog/starting-your-first-discord-server) on the Discord blog for more information on creating a channel.
-
-## Manage the Discord bot
+To help your community quickly get answers to their questions, the bot can reply to every message in a channel that you choose. By default, the bot replies to every message in channels named `#ask-ai`. Create an `#ask-ai` channel and let your community know that the bot will reply to messages in that channel.
 
-After you add the bot to your server, you can manage or remove the integration from the [Integrations](https://dashboard.mintlify.com/products/assistant/settings/integrations) tab. 
-
-Customize the bot's avatar and name to match your brand then let your community know they can mention it to get answers.
+If you want the bot to reply to messages in a different channel, select a channel in the Discord bot [configuration menu](https://dashboard.mintlify.com/products/assistant/settings/integrations).
 
 <Frame>
   <img src="/images/assistant/discord-configure-light.png" alt="The Discord configuration panel in light mode." className="block dark:hidden" />
   <img src="/images/assistant/discord-configure-dark.png" alt="The Discord configuration panel in dark mode." className="hidden dark:block" />
 </Frame>
+
+See [Starting Your First Discord Server](https://discord.com/blog/starting-your-first-discord-server) on the Discord blog for more information on creating a channel.
+
+## Manage the Discord bot
+
+After you add the Discord bot to your server, you can manage or remove the bot from the [Integrations](https://dashboard.mintlify.com/products/assistant/settings/integrations) tab in your dashboard.
+
+In the Discord bot configuration menu, customize the bot by changing its avatar or name, and choose which channel it automatically replies to all messages in.