feat: Add docs for makeplane for self-hosted Sentry.

docs/organization/integrations/issue-tracking/makeplane/index.mdx

@@ -15,6 +15,22 @@ Sentry owner, manager, or admin permissions are required to install this integra
 
 </Alert>
 
+### Sentry SaaS
+
+<Alert>
+
+This setup will only work if you are using Plane Cloud *and* Sentry SaaS. For self-hosted Plane/Sentry, see the [Sentry Self-Hosted](#sentry-self-hosted) section.
+
+</Alert>
+
 1. Navigate to **Settings > Integrations > Makeplane**
 
-2. Follow the full [Plane installation instructions](https://docs.plane.so/integrations/sentry).
+2. Follow the full [Plane setup instructions](https://docs.plane.so/integrations/sentry).
+
+### Sentry Self-Hosted
+
+As opposed to Sentry SaaS, *the Makeplane integration for Sentry Self-Hosted requires manual installation of the integration on Sentry*, on top of configuring the Plane integration.
+
+In order to set up both integrations properly, you must complete the following:
+1. Follow the full [Sentry installation instructions](https://developers.plane.so/self-hosting/govern/integrations/sentry) to set up both Sentry and Plane.
+2. Once you have completed the installation, you must then follow the [Plane Setup Instructions](https://docs.plane.so/integrations/sentry) to get both the Sentry and Plane integrations to talk to each other.