update docs with additional param required to change db name

Author: rs-fraser

DevDocs/DeveloperNotes/GettingStarted/GettingStarted.md

@@ -261,7 +261,7 @@ alters the logging verbosity for various frameworks or RSpace code.
 
 #### Set deployment properties through command line
 
-`-Djdbc.url=jdbc:mysql://localhost:3306/another_database -Djdbc.db=another_database`
+`-Djdbc.url=jdbc:mysql://localhost:3306/another_database -Djdbc.db=another_database -Djdbc.db.maven=another_database`
 specifies to use a different database `another_database` at the url `jdbc:mysql://localhost:3306/another_database`.
 
 `-DRS_FILE_BASE=/path/toFileStore`