Merge pull request #62477 from abrennan89/OSDOCS-6920

OSDOCS-6920: Fix rendering issue in guidelines

Author: abrennan89

contributing_to_docs/doc_guidelines.adoc

@@ -863,10 +863,7 @@ Comment out the callout in the YAML file to ensure that file can still be parsed
 Asciidoctor recognises the commented callout and renders it correctly in the output.
 For example:
 
-[source,yaml]
-----
-apiVersion: v1 # <1>
-----
+`apiVersion: v1 # <1>`
 
 [discrete]
 === Version and upgrade implications