diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 226faa1745..1cff5bdfaa 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -5437,7 +5437,7 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                     recipe, or the recipe itself).
                     If you use this variable, you must also be sure to list
                     the module name in the
-                    <filename>KERNEL_MODULE_PROBECONF</filename>
+                    <link linkend='var-KERNEL_MODULE_PROBECONF'><filename>KERNEL_MODULE_PROBECONF</filename></link>
                     variable.
                 </para>