fix

Author: JPryce-Aklundh

modules/ROOT/pages/appendix/tutorials/advanced-query-tuning.adoc

@@ -939,9 +939,7 @@ Predicates that will not work:
 If there is a xref:constraints/managing-constraints.adoc#create-property-existence-constraints[property existence constraint] on the property, no predicate is required to trigger the optimization.
 For example, `CREATE CONSTRAINT constraint_name FOR (p:Person) REQUIRE p.name IS NOT NULL`
 
-Predicates with parameters, such as `WHERE n.prop > $param`, can trigger xref:indexes/using-indexes
-
-_index-backed ORDER BY_.
+Predicates with parameters, such as `WHERE n.prop > $param`, can trigger _index-backed ORDER BY_.
 The only exception are queries with parameters of type `POINT`.
 ====