diff --git a/documentation/poky-ref-manual/ref-variables.xml b/documentation/poky-ref-manual/ref-variables.xml
index 4d0e3f3434..6959b94d73 100644
--- a/documentation/poky-ref-manual/ref-variables.xml
+++ b/documentation/poky-ref-manual/ref-variables.xml
@@ -1543,6 +1543,18 @@ recipes-graphics/xorg-font/xorg-font-common.inc:INC_PR = "r2"
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-PF'><glossterm>PF</glossterm>
+            <glossdef>
+                <para>Specifies the recipe or package name and includes all version and revision
+                    numbers (i.e. <filename>eglibc-2.13-r20+svnr15508/</filename> and
+                    <filename>bash-4.2-r1/</filename>).
+                    This variable is comprised of the following:
+                    <literallayout class='monospaced'>
+     ${PN}-${EXTENDPE}${PV}-${PR}
+                    </literallayout></para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-PN'><glossterm>PN</glossterm>
             <glossdef>
                 <para>This variable can have two separate functions depending on the context: a recipe