Apply suggestions from code review

Co-authored-by: Andrew Kenworthy <[email protected]>

Author: sbernauer

modules/ROOT/pages/release_notes.adoc

@@ -34,7 +34,7 @@ The following operators added support for LDAP authentication:
 
 === stackablectl
 
-`stackablectl` now supports deploying ready-to-use demos, which give and end-to-end demonstration of the usage of the Stackable data platform.
+`stackablectl` now supports deploying ready-to-use demos, which give an end-to-end demonstration of the usage of the Stackable data platform.
 The xref:stackablectl::quickstart.adoc[quickstart guide] shows how to get started with `stackablectl`. Here you can see the xref:stackablectl::demos/index.adoc[available demos].
 
 === Supported Kubernetes versions
@@ -131,7 +131,7 @@ $ helm install --wait zookeeper-operator stackable/zookeeper-operator --version
 You will need to adapt your existing CRDs to the following breaking changes:
 
 ==== druid-operator
-1. HDFS deep storage is now configurable via HDFS discovery config map instead of an url to a HDFS name node (https://github.com/stackabletech/druid-operator/pull/262[#262]).
+1. HDFS deep storage is now configurable via the HDFS discovery config map instead of a url to a HDFS name node (https://github.com/stackabletech/druid-operator/pull/262[#262]).
 Instead of
 
 [source,yaml]