TRUNK-2873: Reworded password request wording in Testing option in in…

…stallation wizard.

webapp/src/main/webapp/WEB-INF/messages.properties

@@ -2579,7 +2579,7 @@ install.testing.invalidProductionUrl=Failed to establish a connection to: {0}
 install.testing.noTestingModule=You need to install the Release Testing Support module on the remote system that you want to fetch data from. This module allows (password-protected) access to your database, so you should stop or uninstall it after you have completed this installation wizard. See <a href="https://wiki.openmrs.org/x/0oK5AQ" target="_blank">the module page</a> for more details.
 install.testing.testingModuleFound=The remote system is running the Release Testing Support module, which will allow us to fetch data from it for testing. Since this module allows (password-protected) access to your database, please remember to stop or uninstall it after you have completed this installation wizard. See <a href="https://wiki.openmrs.org/x/0oK5AQ" target="_blank">the module page</a> for more details.
 install.testing.remoteUrl.example=Example: http://demo.openmrs.org/openmrs
-install.testing.enterUserNameAndPassword=Enter your username and password for the remote system
+install.testing.enterUserNameAndPassword=Enter the username and password of a superuser on the remote system you want to fetch data from. (These will be used once and not saved.)
 install.testing.username.required=Username is required
 install.testing.password.required=Password is required
 install.testing.remote.username=Username for remote system