Update deployment steps

Author: DavidSouther

.tools/test/DEPLOYMENT.md

@@ -25,10 +25,10 @@ python -m venv .venv && source .venv/bin/activate && pip install -r requirements
 #### Command Syntax
 
 ```bash
-python stacks/deploy.py --type <deployment_type>
+cd stacks ; python deploy.py [type]
 ```
 
-Replace `<deployment_type>` with one of the supported types:
+Replace `[type]` with one of the supported types:
 
 - `admin`: Deploys admin-specific resources.
 - `images`: Deploys image-related resources.