Apply suggestion from @renejeglinsky

Author: renejeglinsky

java/working-with-cql/query-api.md

@@ -580,7 +580,7 @@ Select.from(PRODUCTS).columns(p -> p.ID(), p.details());
 
 selects the product's ID along with the details, which are returned as a `CdsData` map. 
 
-##### Selecting Sub-Elements of Map Data </beta>
+##### Selecting Sub-Elements of Map Data <Beta />
 
 You can also select sub-elements of a `cds.Map` via path expressions: