diff --git a/language/predefined/interfaces.xml b/language/predefined/interfaces.xml
index 654b47c801..26eef66be8 100644
--- a/language/predefined/interfaces.xml
+++ b/language/predefined/interfaces.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 
 <part xml:id="reserved.interfaces" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>Predefined Interfaces</title>
@@ -8,6 +8,7 @@
  &language.predefined.iterator;
  &language.predefined.iteratoraggregate;
  &language.predefined.arrayaccess;
+ &language.predefined.serializable;
 
 </part>