QPIDJMS-72: fix a couple minor spelling errors. 
QPIDJMS-72: fix a couple minor spelling errors. 
tabish121/qpid-jms,andrew-buckley/qpid-jms,avranju/qpid-jms,apache/qpid-jms,avranju/qpid-jms,gemmellr/qpid-jms,andrew-buckley/qpid-jms,apache/qpid-jms,gemmellr/qpid-jms,tabish121/qpid-jms