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-rw-r--r--doc/src/sgml/datatype.sgml3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/src/sgml/datatype.sgml b/doc/src/sgml/datatype.sgml
index 7e4107cce80..afc82a25baf 100644
--- a/doc/src/sgml/datatype.sgml
+++ b/doc/src/sgml/datatype.sgml
@@ -4185,7 +4185,8 @@ SET xmloption TO { DOCUMENT | CONTENT };
The <type>json</type> data type can be used to store JSON data. Such
data can also be stored as <type>text</type>, but the
<type>json</type> data type has the advantage of checking that each
- stored value is a valid JSON value.
+ stored value is a valid JSON value. There are also related support
+ functions available; see <xref linkend="functions-json">.
</para>
<para>