diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml
index 2603409766..57925cc583 100644
--- a/documentation/ref-manual/migration.xml
+++ b/documentation/ref-manual/migration.xml
@@ -351,7 +351,8 @@
         <title>Variables</title>
 
         <para>
-            The <filename>SANITY_TESTED_DISTROS</filename> variable now uses a
+            The <link linkend='var-SANITY_TESTED_DISTROS'><filename>SANITY_TESTED_DISTROS</filename></link>
+            variable now uses a
             distribution ID, which is composed of the host distributor ID 
             followed by the release.
             Previously, it was composed of the description field.