diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index e61f4c14e7..b584a9fb9c 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -414,6 +414,11 @@
                     "<ulink url='&YOCTO_DOCS_BB_URL;#basic-syntax'>Basic Syntax</ulink>"
                     section in the BitBake User Manual for more information.
                 </para>
+<!--
+<para id='var-context-AVAILTUNES'>
+meta/conf/machine/include/<architecture>/arch-<architecture>.inc
+</para>
+-->
             </glossdef>
         </glossentry>