Apply suggestions from code review

Co-authored-by: Therese Magnusson <[email protected]>

Author: mnd999

modules/ROOT/pages/errors/gql-errors/22NC3.adoc

@@ -1,7 +1,7 @@
 = 22NC3
 
 == Status description
-error: data exception - relationship element type is ineffectual. The relationship element type `{ <<relType>> }` must define a source or destination, or at least one property type.
+error: data exception - relationship element type is ineffectual. The relationship element type `{ <<relType>> }` must define a source, destination, or at least one property type.
 
 == Explanation
 When defining a graph type, relationship element types must have some effect. To be effective, a relationship element type must define at least one of the following:

modules/ROOT/pages/errors/gql-errors/22NC6.adoc

@@ -15,7 +15,7 @@ For example, try to set a property existence constraint on a property for the la
 ----
 ALTER CURRENT GRAPH TYPE SET {
     (p:Person => {name :: STRING}),
-    CONSTRAINT FOR (p:Person =>) REQUIRE p.name IS NOT NULL,
+    CONSTRAINT FOR (p:Person =>) REQUIRE p.name IS NOT NULL
 }
 ----
 

modules/ROOT/pages/errors/gql-errors/22NC7.adoc

@@ -15,7 +15,7 @@ For example, try to set a property type constraint on a property for the relatio
 ----
 ALTER CURRENT GRAPH TYPE SET {
     ()-[:REL => {name :: ANY NOT NULL}]->(),
-    CONSTRAINT FOR ()-[r:REL =>]->() REQUIRE r.name IS :: STRING,
+    CONSTRAINT FOR ()-[r:REL =>]->() REQUIRE r.name IS :: STRING
 }
 ----