Fixed formatting error to test GHA validation checks

Author: spmallette

book/Section-Beyond-Basic-Queries.adoc

@@ -934,7 +934,7 @@ vertices = [["WYZ","KWYZ"],["XYZ","KXYZ"]]
 g.inject(vertices).unfold().as("v").
   addV("airport").property("code", select("v").limit(local,1)).
                   property("iata", select("v").tail(local,1))
-
+----
 
 Each internal array is then given a label of "v" so that it can be referenced later
 in the traversal. We reference it in the calls to 'property' where we 'select' the