Improve core keyset pagination example
@@ -245,19 +245,19 @@ So let's look at the object queries generated
[.Object query 1]
[source,sql]
----
-SELECT cat, cat.id #<1>
+SELECT cat, cat.birthday, cat.id #<1>
FROM Cat cat
ORDER BY cat.birthday ASC NULLS LAST, cat.id ASC NULLS LAST
--LIMIT 5 OFFSET 5
----
-<1> The expression `cat.id` is for constructing the keyset and contains all expressions of the `ORDER BY` clause
+<1> The expressions `cat.birthday` and `cat.id` are for constructing the keyset and represent all expressions of the `ORDER BY` clause
-As you can see, nothing fancy, except for the additional select that is used for extracting the keyset.
+As you can see, nothing fancy, except for the additional select items that are used for extracting the keyset.
[.Object query 2]
[source,sql]
----
-SELECT cat, cat.id
+SELECT cat, cat.birthday, cat.id
FROM Cat cat
WHERE cat.birthday > :_keysetParameter_0 OR (
cat.birthday = :_keysetParameter_0 AND
@@ -272,7 +272,7 @@ This time the query made efficient use of the keyset by filtering out elements/r
[.Object query 3]
[source,sql]
----
-SELECT cat, cat.id
+SELECT cat, cat.birthday, cat.id
FROM Cat cat
WHERE cat.birthday < :_keysetParameter_0 OR (
cat.birthday = :_keysetParameter_0 AND
