Tweak GINQ user guide
diff --git a/subprojects/groovy-ginq/src/spec/doc/ginq-userguide.adoc b/subprojects/groovy-ginq/src/spec/doc/ginq-userguide.adoc
index e505ae1..e40c638 100644
--- a/subprojects/groovy-ginq/src/spec/doc/ginq-userguide.adoc
+++ b/subprojects/groovy-ginq/src/spec/doc/ginq-userguide.adoc
@@ -95,18 +95,25 @@
}
```
For example,
+
+* Mark the `ginq` method as a GINQ method with `@GQ` annotation:
+
[source, groovy]
----
include::../test/org/apache/groovy/ginq/GinqTest.groovy[tags=ginq_method_01,indent=0]
----
-Specify the return type as `List`:
+* Specify the return type as `List`:
+
[source, groovy]
----
include::../test/org/apache/groovy/ginq/GinqTest.groovy[tags=ginq_method_03,indent=0]
----
+[NOTE]
+GINQ supports many return types, e.g. `List`, `Set`, `Collection`, `Iterable`, `Iterator`, `java.util.stream.Stream` and array types.
-Enable parallel querying:
+* Enable parallel querying:
+
[source, groovy]
----
include::../test/org/apache/groovy/ginq/GinqTest.groovy[tags=ginq_method_02,indent=0]
