Fix broken title formating

docs-wiki/modules/ROOT/pages/wiki_admin.adoc

@@ -107,6 +107,7 @@ When it's time to cut a new version for the wiki, the process is as follows.
 
 . We do not want the Antora cache to be versioned so you need to either remove the cache from the master branch before creating the new version branch or delete it after creating the new version branch.
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 .How to remove first
 .. From the `Commit Packages` command in the main.yml workflow, located in the `.github/workflows` directory, remove the cache part from the `add:` line.
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