diff --git a/en/platforms/ia64/refs.sgml b/en/platforms/ia64/refs.sgml
index 2b8b6ee49a..8d92220008 100644
--- a/en/platforms/ia64/refs.sgml
+++ b/en/platforms/ia64/refs.sgml
@@ -1,6 +1,6 @@
-
+
%navincludes;
@@ -41,6 +41,13 @@
Specification Update [pdf]
+ Intel Software Developer's Manual, revision 2.2
+
+
Processor Implementations