[release] Tidy up release notes for Yoga

Change-Id: I04d2e83967392f403b1068e0c151b94b685c52e8

releasenotes/notes/add-nsxp-support-10a750d077d51ac6.yaml

@@ -1,4 +1,4 @@
 ---
 features:
   - |
-    Add support for the VMware NSX Policy plugin
+    Adds support for the VMware NSX Policy plugin

releasenotes/notes/add-openeuler-support-for-host-os-9ccd799fa4a5b979.yaml

@@ -1,5 +1,4 @@
 ---
 features:
   - |
-    openEuler 20.03-LTS-SP2 distro is supported as host os for kolla-ansible
-    now.
+    Adds support for openEuler 20.03-LTS-SP2 as a host OS distribution.

releasenotes/notes/add-venus-80b98b2d3bea348e.yaml

@@ -1,5 +1,5 @@
 ---
 features:
   - |
-    Add Venus deployment support.
-    The project provides a solution to log collection.
+    Adds Venus deployment support.
+    The project provides a solution for log collection.

releasenotes/notes/bug-1946506-07bc6ee49fe6b017.yaml

@@ -1,5 +1,5 @@
 ---
 fixes:
   - |
-    rabbitmq: add node parameter in rabbitmq_user call.
-    `LP#1946506 <https://launchpad.net/bugs/1946506>`__
+    Adds the ``node`` parameter when using the ``rabbitmq_user`` Ansible
+    module.  `LP#1946506 <https://launchpad.net/bugs/1946506>`__

releasenotes/notes/bug-1947710-6d0975ae72f43ada.yaml

@@ -4,4 +4,4 @@ fixes:
     Fixes the copy job for grafana custom home dashboard file.
     The copy job for the grafana home dashboard file needs to run priviliged,
     otherwise permission denied error occurs.
-    `LP#[1947710] <https://launchpad.net/bugs/1947710>`__
+    `LP#1947710 <https://launchpad.net/bugs/1947710>`__

releasenotes/notes/external-ceph-variables-123093dceb1049b7.yaml

@@ -1,8 +1,6 @@
 ---
 features:
   - |
-    Allows the use of variables in ceph conf and keyring files.
-    Consistently use template instead of copy. This has the added
-    advantage of allowing variables inside ceph conf files and keyrings.
-    Including but not limited to ansible lookup expressions.
+    Allows the use of variables in ceph configuration and keyring files.
+    This includes but is not limited to ansible lookup expressions.
     `LP#1959565 <https://launchpad.net/bugs/1959565>`__

releasenotes/notes/support-setting-vendordata-34f78d9004fa369a.yaml

@@ -1,6 +1,5 @@
 ---
 features:
   - |
-    Support for configuring a Vendordata file for Nova has been
-    added. This allows users to pass through arbitrary data to
-    instances.
+    Adds support for configuring a Vendordata file for Nova.  This allows users
+    to pass through arbitrary data to instances.