expand on quantified rels

modules/ROOT/pages/patterns/reference.adoc

@@ -697,17 +697,20 @@ For example, the following quantified relationship:
 
 [source, role=noheader]
 ----
-()-[r]->{m,n}()
+(:A)-[r:R]->{m,n}(:B)
 ----
 
-is equivalent to the following quantified path pattern, with empty node patterns on either side:
+is equivalent to the following quantified path pattern:
 
 [source, role=noheader]
 ----
-() (()-[r]->()){m,n} ()
+(:A) (()-[r:R]->()){m,n} (:B)
 ----
 
-However, unlike a quantified path pattern, a quantified relationship must always have a node pattern on each side.
+With the expanded form of a quantified path pattern, it is possible to add predicates.
+Conversely, if the only predicate is a relationship type expression, query syntax can be more concise using a quantified relationship.
+
+Note that, unlike a quantified path pattern, a quantified relationship must always have a node pattern on each side.
 
 [[quantified-relationship-examples]]
 === Examples
@@ -1130,7 +1133,7 @@ The following table shows variants of the variable-length quantifier syntax and
 
 Note that `*` used here on its own is not the same as the Kleene star (an operator that represents zero or more repetitions), as the Kleene star has a lower bound of zero.
 The above table can be used to translate the quantifier used in variable-length relationships.
-The rules given for xref:patterns/reference.adoc#quantified-path-pattern[quantified path patterns] would apply to the translation.
+The rules given for xref:patterns/reference.adoc#quantified-path-patterns[quantified path patterns] would apply to the translation.
 
 This table shows some examples: