docs: improve content based on Ask Fern feedback

Author: dannysheridan

fern/products/ask-fern/pages/features/slack-app.mdx

@@ -53,14 +53,14 @@ Customize the bot's behavior to match your workflow needs.
 
 ### Bot settings per channel
 
-Use the `/configure` slash command in any channel to adjust the settings:
+Use the `/fern` slash command in any channel to adjust settings:
 
 | Command | Description | Example |
 |---------|-------------|---------|
-| **respond_to** | Controls whether the Ask Fern bot responds to all messages (`all`), reponds only when directly mentioned with `@Ask Fern` (`mentions_only`), or determines when to respond to messages depending on context (`auto`). Set to `auto` by default. | `/configure respond_to all` |
-| **roles** | Specifies which RBAC roles (comma-separated) should be used to filter Ask Fern responses (if you have [role-based access control](/docs/authentication/rbac) configured) | `/configure roles developer,admin` |
-| **show** | Show the current settings | `/configure show` |
-| **help** | Get help with Ask Fern slash commands | `/configure help` |
+| **respond_to** | Controls whether the Ask Fern bot responds to all messages (`all`), reponds only when directly mentioned with `@Ask Fern` (`mentions_only`), or determines when to respond to messages depending on context (`auto`). Set to `auto` by default. | `/fern respond_to all` |
+| **roles** | Specifies which RBAC roles (comma-separated) should be used to filter Ask Fern responses (if you have [role-based access control](/docs/authentication/rbac) configured) | `/fern roles developer,admin` |
+| **show** | Show the current settings | `/fern show` |
+| **help** | Get help with Ask Fern slash commands | `/fern help` |
 
 <Frame caption="After configuring respond_to all, bot responds to messages even when not directly mentioned">
   <img src="/products//ask-fern/pages/assets/respond-all-slack.png" alt="Respond all setting in Slack" />
@@ -163,5 +163,4 @@ sequenceDiagram
     A->>U: Return answer in Slack thread
     F->>F: Store question and answer for analytics
 ```
-</Accordion>
-
+</Accordion>