fix docs linting errors

docs/sources/notify/slack/index.md

@@ -41,54 +41,69 @@ For Open Source Grafana OnCall Slack installation guidance, refer to
 1. Click **Allow** to give Grafana OnCall permission to access your Slack workspace.
 
 ## Why does OnCall Slack App require so many permissions?
-OnCall has an advanced Slack App with dozens of features making it even possible for users to be on-call and work with 
+
+OnCall has an advanced Slack App with dozens of features making it even possible for users to be on-call and work with
 alerts completely inside Slack. The drawback is that our Slack bot requires a lot of permissions and
 some of those permissions may sound suspicious, so we commented on them to give you more context.
-#### Content and info about you
-The bot is using those permissions to receive Slack handles and avatars. 
-Those permissions are supporting account matching between Grafana and Slack. 
+
+### Content and info about you
+
+The bot is using those permissions to receive Slack handles and avatars.
+Those permissions are supporting account matching between Grafana and Slack.
+
 - **View information about your identity**
 - **View profile details about people in your workspace**
-#### Content and info about channels & conversations
-- **View basic information about public channels in your workspace** 
-— this permission is supporting channel selectors in the integration settings so the user could choose where to 
-send Alert Groups.
-- **View messages and other content in public channels, private channels, direct messages, and group direct messages 
-that Grafana OnCall has been added to** — this permission is supporting a feature of adding messages to the resolution 
-notes in the Alert Group's Slack thread.
-- **View basic information about private channels that Grafana OnCall has been added to** — this permission allows to 
-add a slack bot to the private channel and make it selectable in the list of channels. 
-So users will be able to route Alert Groups to the private channels.
+
+### Content and info about channels & conversations
+
+- **View basic information about public channels in your workspace**
+  — this permission is supporting channel selectors in the integration settings so the user could choose where to
+  send Alert Groups.
+- **View messages and other content in public channels, private channels, direct messages, and group direct messages
+  that Grafana OnCall has been added to** — this permission is supporting a feature of adding messages to the resolution
+  notes in the Alert Group's Slack thread.
+- **View basic information about private channels that Grafana OnCall has been added to** — this permission allows to
+  add a slack bot to the private channel and make it selectable in the list of channels.
+  So users will be able to route Alert Groups to the private channels.
 - **View basic information about direct messages that Grafana OnCall has been added to**
-#### Content and info about your workspace
+
+### Content and info about your workspace
+
 This set of permissions is supporting the ability of Grafana OnCall to match users with Grafana users.
+
 - **View people in your workspace**
 - **View email addresses of people in your workspace**
 - **View the name, email domain, and icon for workspaces Grafana OnCall is connected to**
 - **View user groups in your workspace**
 - **View profile details about people in your workspace**
-#### Perform actions as you
-- **Send messages on your behalf** — this permission may sound suspicious, but it's actually a general ability 
-to send messages as the bot: https://api.slack.com/scopes/chat:write Grafana OnCall will not impersonate or post 
-using your handle to slack. It will always post as the bot.
-#### Perform actions in channels & conversations
+
+### Perform actions as you
+
+- **Send messages on your behalf** — this permission may sound suspicious, but it's actually a general ability
+  to send messages as the bot: <https://api.slack.com/scopes/chat:write> Grafana OnCall will not impersonate or post
+  using your handle to slack. It will always post as the bot.
+
+### Perform actions in channels & conversations
+
 - **View messages that directly mention @grafana_oncall in conversations that the app is in**
 - **Join public channels in your workspace**
 - **Send messages as @grafana_oncall**
 - **Send messages as @grafana_oncall with a customized username and avatar**
-- **Send messages to channels @grafana_oncall isn't a member of** — users configure channels to publish 
-Alert Groups in the OnCall's UI, but the bot is usually not a member of those channels.
-- **Upload, edit, and delete files as Grafana OnCall** — the bot is using this permission: 
-https://api.slack.com/scopes/files:write to be able to send files to the channel. 
-The bot will not delete or read files sent by other users.
+- **Send messages to channels @grafana_oncall isn't a member of** — users configure channels to publish
+  Alert Groups in the OnCall's UI, but the bot is usually not a member of those channels.
+- **Upload, edit, and delete files as Grafana OnCall** — the bot is using this permission:
+  <https://api.slack.com/scopes/files:write> to be able to send files to the channel.
+  The bot will not delete or read files sent by other users.
 - **Start direct messages with people**
 - **Add and edit emoji reactions**
-#### Perform actions in your workspace
-- **Add shortcuts and/or slash commands that people can use** — the permission is used to add /escalate and /oncall 
-(deprecated) slack commands.
+
+### Perform actions in your workspace
+
+- **Add shortcuts and/or slash commands that people can use** — the permission is used to add /escalate and /oncall
+  (deprecated) slack commands.
 - **Create and manage user groups** — the permission is used to automatically update user groups linked to on-call
-schedules. It will add users once their on-call shift starts and remove them once the on-call shift ends.
-- **Set presence for Grafana OnCall** 
+  schedules. It will add users once their on-call shift starts and remove them once the on-call shift ends.
+- **Set presence for Grafana OnCall**
 
 ## Post-install configuration for Slack integration