index update

Author: JPryce-Aklundh

modules/ROOT/pages/expressions/index.adoc

@@ -14,7 +14,7 @@ For details and examples of specific expressions, see the following sections:
 ** xref:expressions/predicates/string-operators.adoc[]: `STARTS WITH`, `ENDS WITH`, `CONTAINS`, `IS NORMALIZED`, `IS NOT NORMALIZED`, `=~`
 ** xref:expressions/predicates/path-pattern-expressions.adoc[]: information about filtering queries with path pattern expressions.
 ** xref:expressions/predicates/type-predicate-expressions.adoc[]: information about how to verify the value type of a Cypher expression.
-* xref:expressions/graph-element-operators.adoc[]: `.`, `[]`
+* xref:expressions/graph-element-operators.adoc[]: information about how to access property values with `.` and `[]`.
 * xref:expressions/mathematical-operators.adoc[]: `+`, `-`, `*`, `/`, `%`, `^`.
 * xref:expressions/string-operators.adoc[]: `+`, `||`
 * xref:expressions/temporal-operators.adoc[]: `+`, `-`, `*`, `/`