RHDEVDOCS-3878-H1 correction

Author: libander

logging/cluster-logging-release-notes.adoc

@@ -12,7 +12,7 @@ include::modules/making-open-source-more-inclusive.adoc[leveloffset=+1]
 include::modules/cluster-logging-release-notes-5.4.0.adoc[leveloffset=+1]
 
 [id="cluster-logging-technology-previews-5.4"]
-= Technology Previews
+== Technology Previews
 
 include::modules/cluster-logging-vector-tech-preview.adoc[leveloffset=+1]