fix(docs): improve formatting for clarity in Railway quickstart instructions

Author: leggetter

docs/pages/quickstarts/railway.mdx

@@ -29,7 +29,8 @@ Deploy Outpost to Railway with a one-click deployment. Railway provides a hosted
 You can use shell variables to store the tenant ID and API key for easier use in the following commands:
 
 ```sh
-# Replace with your actual Railway app public URL, found in the Railway dashboard under "Domains"
+# Replace with your actual Railway app public URL,
+# found in the Railway dashboard under "Domains"
 OUTPOST_URL=https://your-railway-app.railway.app
 TENANT_ID=your_org_name
 API_KEY=your_api_key