NO-JIRA: fix the example commands for setting credentials to be used, tweak the comment
NO-JIRA: fix the example commands for setting credentials to be used, tweak the comment

tabish121/qpid-jms,apache/qpid-jms,gemmellr/qpid-jms,tabish121/qpid-jms,gemmellr/qpid-jms,apache/qpid-jms