adding example with -F flag to help with app.ini/app directory conflicts

Author: Joshua Urrutia

docs/03.migrate_from_maverick.md

@@ -4,11 +4,11 @@ title: Migrating Apps from Maverick
 tagline:
 ---
 
-With Maverick reaching the end of its service, we will need to migrate apps off of Maverick onto another HPC resource. Luckily, due to containerization, this process is pretty painless. You'll simply need to replace the `executionSystem` in the app definition (app.json.j2) from `hpc-tacc-maverick-username` to the newly created `hpc-tacc-wranlger-username`.
+With Maverick reaching the end of its service, we will need to migrate apps off of Maverick onto another HPC resource. Luckily, due to containerization, this process is pretty painless. You will simply need to replace the `executionSystem` in the app definition (app.json.j2) from `hpc-tacc-maverick-username` to the newly created `hpc-tacc-wranlger-username`.
 
 
 <br>
-#### Updated App Definition
+#### Example of an Updated App Definition
 
 This is an example of a converted Agave app definition:
 {% raw %}
@@ -52,7 +52,11 @@ This is an example of a converted Agave app definition:
 {% endraw %}
 
 #### Final steps
-After updating the app definition to point to `hpc-tacc-wrangler-username`, you can simply run `apps-deploy` to deploy the app to the new execution system. Make sure to double check the `app.ini` file to ensure it points to the correct DockerHub username, repo, etc. Once the application has been deployed you should run a test job to ensure it's working correctly.
+After updating the app definition to point to `hpc-tacc-wrangler-username`, you can simply run `apps-deploy` to deploy the app to the new execution system. Make sure to double check the `app.ini` file to ensure it points to the correct DockerHub username, repo, app name, and app version. If the app name and version in the app.ini differ from the name/version of the app directory, you can use a -F flag with `apps-deploy` to point to the correct app definition, ex:
+```
+apps-deploy -F app_directory-0.1.1/app.json.j2
+```
+Once the application has been deployed you should run a test job to ensure it's working correctly.