Apply suggestions from code review

Co-authored-by: Reneta Popova <reneta.popova@neo4j.com>

modules/ROOT/pages/notifications/all-notifications.adoc

@@ -1260,7 +1260,7 @@ m|INFORMATION
 m|SECURITY
 |===
 
-.Create a user with an auth provider that isn't defined in config
+.Create a user with an auth provider that is not defined in the configuration
 ====
 Command::
 +
@@ -1278,7 +1278,7 @@ Make sure that the given provider is correct, or replace it if not.
 If it is correct, make sure to add it as a known auth provider in one or both of `dbms.security.authentication_providers` and `dbms.security.authorization_providers`.
 ====
 
-.Alter a user to add an auth provider that isn't defined in config
+.Alter a user to add an auth provider that is not defined in the configuration
 ====
 Command::
 +
@@ -1323,12 +1323,9 @@ Command::
 CREATE USER foo SET AUTH 'exampleProvider' { SET ID 'idString' }
 ----
 
-Description of the returned code::
-Use setting `dbms.security.require_local_user` to enable external auth.
-
 Suggestions for improvement::
 Enable linked users through the `dbms.security.require_local_user` setting.
-Until enabled the new external auth will be ignored and current external auth behaviours will continue to apply.
+Until enabled, the new external auth will be ignored, and current external auth behaviors will continue to apply.
 ====
 
 .Alter a user to add an external auth provider when linked users are not enabled
@@ -1340,12 +1337,9 @@ Command::
 ALTER USER foo SET AUTH 'exampleProvider' { SET ID 'idString' }
 ----
 
-Description of the returned code::
-Use setting `dbms.security.require_local_user` to enable external auth.
-
 Suggestions for improvement::
 Enable linked users through the `dbms.security.require_local_user` setting.
-Until enabled the new external auth will be ignored and current external auth behaviours will continue to apply.
+Until enabled, the new external auth will be ignored, and current external auth behaviors will continue to apply.
 ====
 
 [#_topology_notifications]