ARTEMIS-3243 Fixing typo on amqp-broker-connections.md
ARTEMIS-3243 Fixing typo on amqp-broker-connections.md

tabish121/activemq-artemis,graben/activemq-artemis,apache/activemq-artemis,TomRoss/activemq-artemis,clebertsuconic/activemq-artemis,TomRoss/activemq-artemis,apache/activemq-artemis,tabish121/activemq-artemis,graben/activemq-artemis,apache/activemq-artemis,TomRoss/activemq-artemis,clebertsuconic/activemq-artemis,apache/activemq-artemis,clebertsuconic/activemq-artemis,clebertsuconic/activemq-artemis,graben/activemq-artemis,tabish121/activemq-artemis,tabish121/activemq-artemis,TomRoss/activemq-artemis,graben/activemq-artemis