Update configure-distributed-availability-groups.md

Clarified the terminology around endpoints. The term 'listener' was being used in reference to an endpoint, but there was the possibility that the use of this term could cause confusion as the term 'listener' is more commonly associated with the Availability Group listener.

Author: howarthcd

docs/database-engine/availability-groups/windows/configure-distributed-availability-groups.md

@@ -33,13 +33,13 @@ To configure a distributed availability group, you must have the following:
 
 Requires **CREATE AVAILABILITY GROUP** permission on the server to create an availability group and `sysadmin` to fail over a distributed availability group. 
 
-## Set the endpoint listeners to listen to all IP addresses
+## Set the database mirroring endpoints to listen on all IP addresses
 
-Make sure the endpoints can communicate between the different availability groups in the distributed availability group. If one availability group is set to a specific network on the endpoint, the distributed availability group doesn't work properly. On each server that hosts a replica in the distributed availability group, set the listener to listen on all IP addresses (`LISTENER_IP = ALL`).
+Make sure the database mirroring endpoints can communicate between the different availability groups in the distributed availability group. If one availability group is set to a specific network on the database mirroring endpoint, the distributed availability group doesn't work properly. On each server that hosts a replica in the distributed availability group, set the database mirroring endpoint to listen on all IP addresses (`LISTENER_IP = ALL`).
 
-### Create an endpoint to listen to all IP addresses
+### Create a database mirroring endpoint to listen on all IP addresses
 
-For example, the following script creates a listener endpoint on TCP port 5022 that listens on all IP addresses.
+For example, the following script creates a new database mirroring endpoint on TCP port 5022 that listens on all IP addresses.
 
 ```sql
 CREATE ENDPOINT [aodns-hadr]
@@ -58,9 +58,9 @@ CREATE ENDPOINT [aodns-hadr]
 GO
 ```
 
-### Alter an endpoint to listen to all IP addresses
+### Alter an existing database mirroring endpoint to listen on all IP addresses
 
-For example, the following script changes a listener endpoint to listen on all IP addresses.
+For example, the following script changes an existing database mirroring endpoint to listen on all IP addresses.
 
 ```sql
 ALTER ENDPOINT [aodns-hadr]
@@ -75,7 +75,7 @@ GO
 
 ### Create the primary availability group on the first cluster
 
-Create an availability group on the first Windows Server Failover Cluster (WSFC).   In this example, the availability group is named `ag1` for the database `db1`. The primary replica of the primary availability group is known as the **global primary** in a distributed availability group. Server1 is the global primary in this example.
+Create an availability group on the first Windows Server Failover Cluster (WSFC). In this example, the availability group is named `ag1` for the database `db1`. The primary replica of the primary availability group is known as the **global primary** in a distributed availability group. Server1 is the global primary in this example.
 
 ```sql
 CREATE AVAILABILITY GROUP [ag1]