Fix typo in release notes

Author: sbernauer

modules/ROOT/pages/release_notes.adoc

@@ -5,10 +5,12 @@ Periodically a platform release is made, including all components of the platfor
 
 == Release 23.4
 
-IMPORTANT: It is recommended to install <<Release 23.4.1>> and not <<Release 23.4.0>>
-
 The focus in this platform release is on the support of default/custom affinities and the status field, as well as the rollout of log aggregation across the remaining operators. Additionally, all operators have been updated and tested for compatibility with OpenShift clusters (versions 4.10 and 4.11). Several operators from the 23.1 platform release were already certified against OpenShift.
 
+=== Release 23.4.0
+This was the first release in the 23.4 release line.
+It is recommended to install <<Release 23.4.1>> instead, as it contains relevant bugfixes.
+
 === Release 23.4.1
 This is a bugfix/patch-level release that fixes the following issues:
 
@@ -17,11 +19,6 @@ This is a bugfix/patch-level release that fixes the following issues:
 * Automatically migrate the name used for the bundle-builder container for OPA daemonsets. See https://github.com/stackabletech/opa-operator/issues/444[here].
 * Automatically shorten the registration socket path used in listener-operator for Microk8s compatibility, migrated during upgrade. See https://github.com/stackabletech/listener-operator/issues/76[here].
 
-=== Release 23.4.1
-
-This was the first release in the 23.4 release line.
-It is recommended to install <<Release 23.4.1>> instead, as it contains relevant bugfixes.
-
 === New / extended platform features
 The following new major platform features were added: