colons not hyphen

Author: JPryce-Aklundh

modules/ROOT/pages/expressions/list-expressions.adoc

@@ -388,9 +388,6 @@ RETURN cecil.skills AS skillsList
 1+d|Rows: 1
 |===
 
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 [[list-comprehension]]
 == List comprehension
 
@@ -592,7 +589,7 @@ RETURN [(employee:Person)-[:WORKS_FOR]->(alice) WHERE employee.age > 30 | employ
 Pattern comprehension can also match for xref:patterns/variable-length-patterns.adoc[variable-length patterns].
 However, pattern comprehension does not support the xref:patterns/reference.adoc#quantifiers[GQL conformant quantifier syntax].
 
-.Not allowed - pattern comprehension to match patterns of a variable length using GQL quantifier syntax
+.Not allowed: variable-length pattern comprehension using GQL quantifier syntax
 [source, cypher, role=test-fail]
 ----
 MATCH (cecil:Person {name: 'Cecil'})
@@ -603,7 +600,7 @@ Pattern comprehension only supports only the xref:patterns/reference.adoc#variab
 The below query uses a pattern comprehension to collect the skills of all superiors in the chain above `Cecil`.
 The xref:functions/list.adoc#functions-reduce[`reduce()`] function concatenates these skills into a single `LIST`, and xref:clauses/unwind.adoc[`UNWIND`] is used to flatten this `LIST` before returning the distinct skills in a new `LIST`.
 
-.Allowed - pattern comprehension to match patterns of a variable length using variable-length relationship syntax
+.Allowed: variable-length pattern comprehension using variable-length relationship syntax
 [source, cypher]
 ----
 MATCH (cecil:Person {name: 'Cecil'})