diff --git a/documentation/poky.ent b/documentation/poky.ent
index a14a7493cb..19bccbddee 100644
--- a/documentation/poky.ent
+++ b/documentation/poky.ent
@@ -5,6 +5,7 @@
 <!ENTITY DISTRO_NAME_NO_CAP_MINUS_ONE "rocko">
 <!ENTITY DISTRO_NAME_MINUS_ONE "Rocko">
 <!ENTITY YOCTO_DOC_VERSION "2.5">
+<!ENTITY YOCTO_DOC_VERSION_MINUS_ONE "2.4">
 <!ENTITY DISTRO_REL_TAG "yocto-2.5">
 <!ENTITY METAINTELVERSION "9.0">
 <!ENTITY META_INTEL_REL_TAG "&METAINTELVERSION;-&DISTRO_NAME_NO_CAP;-&YOCTO_DOC_VERSION;">