diff --git a/reference/json/book.xml b/reference/json/book.xml
index 2a8b225e3b..e108b37503 100644
--- a/reference/json/book.xml
+++ b/reference/json/book.xml
@@ -21,6 +21,7 @@
 
  &reference.json.setup;
  &reference.json.constants;
+ &reference.json.jsonexception;
  &reference.json.jsonserializable;
  &reference.json.reference;
 
@@ -45,4 +46,3 @@ vim600: syn=xml fen fdm=syntax fdl=2 si
 vim: et tw=78 syn=sgml
 vi: ts=1 sw=1
 -->
-