diff --git a/release/doc/share/xml/sponsor.ent b/release/doc/share/xml/sponsor.ent
index 6e01090d3435..9ea2f8e9f4a1 100644
--- a/release/doc/share/xml/sponsor.ent
+++ b/release/doc/share/xml/sponsor.ent
@@ -10,6 +10,9 @@
 
 <!ENTITY afrl		"AFRL">
 
+<!ENTITY citrix		"Citrix Systems">
+<!ENTITY citrix.rd	"Citrix Systems R&amp;D">
+
 <!ENTITY darpa		"DARPA">
 <!ENTITY darpa_afrl	"DARPA, AFRL">