docs: fix incorrect Docker guide link (#4098)

README.md

@@ -52,7 +52,7 @@ If you want more control over your data, prefer to self-host Plane, please refer
 
 | Installation Methods | Documentation Link                                                                                                                                           |
 | -------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------ |
-| Docker               | [![Docker](https://img.shields.io/badge/docker-%230db7ed.svg?style=for-the-badge&logo=docker&logoColor=white)](https://docs.plane.so/docker-compose)         |
+| Docker               | [![Docker](https://img.shields.io/badge/docker-%230db7ed.svg?style=for-the-badge&logo=docker&logoColor=white)](https://docs.plane.so/self-hosting/methods/docker-compose)         |
 | Kubernetes           | [![Kubernetes](https://img.shields.io/badge/kubernetes-%23326ce5.svg?style=for-the-badge&logo=kubernetes&logoColor=white)](https://docs.plane.so/kubernetes) |
 
 `Instance admin` can configure instance settings using our [God-mode](https://docs.plane.so/instance-admin) feature.