chore: small updates for self-hosted

Author: chdeskur

fern/products/docs/pages/enterprise/self-hosted-set-up.mdx

@@ -17,7 +17,7 @@ Before setting up self-hosted documentation, ensure you have:
 
 The self-hosted documentation runs on a private Docker image: `fernapi/fern-self-hosted`
 
-**Contact Fern Support** and provide your Docker Hub username to the Fern team. Fern will allowlist your account to download the private image
+**Contact Fern Support** and provide your Docker Hub username to the Fern team. Fern will allowlist your account to download the private image, and provide you with the latest tag.
 
 </Step>
 <Step title="Download the Docker Image">    
@@ -57,7 +57,13 @@ Replace `<latest-tag>` with the actual tag used in the previous step.
 Build your custom Docker image using the Dockerfile:
 
 ```bash
-docker build -f <your-docker-file-name> -t <your-image-name> .
+docker build -f <your-docker-file-name> -t <your-image-name> <path-to-dockerfile>
+```
+
+Example:
+  
+```bash
+docker build -f Dockerfile -t self-hosted-docs .
 ```
 
 </Step>
@@ -66,10 +72,10 @@ docker build -f <your-docker-file-name> -t <your-image-name> .
 Start your self-hosted documentation:
 
 ```bash
-docker run -it <your-image-name>
+docker run -p <port-number>:3000 <your-image-name>
 ```
 
-The documentation will be available at the domain specified in your `docs.yml` configuration.
+The documentation will be available at `localhost:<port-number>`.
 
 </Step>
 <Step title="Configure Custom Domain">
@@ -79,8 +85,13 @@ Your documentation will be published to the domain specified in your `docs.yml`
 ```yaml
 instances:
   - url: example-org.docs.buildwithfern.com
-    custom-domain: plantstore.dev
+    custom-domain: docs.plantstore.dev
 ```
+</Step>
+<Step title="Deploy the Documentation">
+
+You can now deploy the image to your own infrastructure, allowing you to host the documentation on your own domain.
+
 </Step>
 </Steps>