Update README.md

Author: BFergerson

README.md

@@ -19,17 +19,14 @@ This project provides a command-line interface client to the [Source++](https://
 
 ### Create developers
 
-<details>
-  <summary>Scenario</summary>
-
-  > Two developers...
-</details>
-
 <details>
   <summary>Command</summary>
 
   ```sh
   ./spp-cli admin add-developer [email protected]
+  ./spp-cli admin add-developer [email protected]
+  
+  ./spp-cli admin add-role contractors
   ```
 </details>