Update README.md

Author: jkiddo

README.md

@@ -8,8 +8,8 @@ While this project shows how you can use many parts of the HAPI FHIR framework t
 
 1) The service comes with no security implementation. See how it can be done at https://hapifhir.io/hapi-fhir/docs/security/introduction.html
 2) The service comes with no enterprise logging. See how it can be done at https://hapifhir.io/hapi-fhir/docs/security/balp_interceptor.html
-3) The internal topic cache used by subscriptions in HAPI FHIR are not shared across multiple instances as the [default supplied implementation is in-mem only](https://github.com/hapifhir/hapi-fhir/blob/master/hapi-fhir-jpaserver-subscription/src/main/java/ca/uhn/fhir/jpa/topic/ActiveSubscriptionTopicCache.java).
-4) The internal message bus used to communicate between instances in HAPI FHIR are not shared across multiple instances as the [default supplied implementation is in-mem only](https://github.com/hapifhir/hapi-fhir/blob/master/hapi-fhir-storage/src/main/java/ca/uhn/fhir/jpa/subscription/channel/api/IChannelFactory.java).  
+3) The internal topic cache used by subscriptions in HAPI FHIR are not shared across multiple instances as the [default supplied implementation is in-mem](https://github.com/hapifhir/hapi-fhir/blob/master/hapi-fhir-jpaserver-subscription/src/main/java/ca/uhn/fhir/jpa/topic/ActiveSubscriptionTopicCache.java).
+4) The internal message broker channel in HAPI FHIR is not shared across multiple instances as the [default supplied implementation is in-mem](https://github.com/hapifhir/hapi-fhir/blob/master/hapi-fhir-storage/src/main/java/ca/uhn/fhir/jpa/subscription/channel/api/IChannelFactory.java). This impacts the use of modules listed [here](https://smilecdr.com/docs/installation/message_broker.html#modules-dependent-on-message-brokers).
 
 Need Help? Please see: https://github.com/hapifhir/hapi-fhir/wiki/Getting-Help