[TrivialFix] Fix up a bugfix release note

Change-Id: I1cb7c1972e0cbe5deb270e80e85b2c3e35ec16f7

releasenotes/notes/allow_override_instance_name-b730d106a9c32c83.yaml

@@ -1,16 +0,0 @@
----
-prelude: >
-    Honor the service_instance_name_template option and allow specifying a
-    custom one.
-features:
-  - |
-    Honor the service_instance_name_template option and allow specifying a
-    custom one.
-upgrade:
-  - |
-    The option service_instance_name_template will start being honored, so
-    review the configuration and revert to the default if you don't want it to
-    be taken into account.
-fixes:
-  - |
-    The service_instance_name_template option was not being taken into account.

releasenotes/notes/bug-1945463-allow-override-instance-name-b730d106a9c32c83.yaml

@@ -0,0 +1,11 @@
+---
+upgrade:
+  - |
+    The option ``service_instance_name_template`` will start being honored
+    by the Generic driver, so review your configuration and
+    revert to the default if you don't want it to be taken into account.
+fixes:
+  - |
+    The ``service_instance_name_template`` option was not being taken into
+    account by the Generic driver, this issue is now addressed. See `bug
+    #1945463 <https://launchpad.net/bugs/1945463>`_ for more information.