diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml
index 28f21b595e..345332dda6 100644
--- a/documentation/ref-manual/migration.xml
+++ b/documentation/ref-manual/migration.xml
@@ -1226,7 +1226,9 @@
             <title><filename>COPY_LIC_MANIFEST</filename></title>
 
             <para>
-                The <filename>COPY_LIC_MANIFEST</filename> variable must
+                The
+                <link linkend='var-COPY_LIC_MANIFEST'><filename>COPY_LIC_MANIFEST</filename></link>
+                variable must
                 now be set to "1" rather than any value in order to enable
                 it.
             </para>
@@ -1236,7 +1238,9 @@
             <title><filename>COPY_LIC_DIRS</filename></title>
 
             <para>
-                The <filename>COPY_LIC_DIRS</filename> variable must
+                The
+                <link linkend='var-COPY_LIC_DIRS'><filename>COPY_LIC_DIRS</filename></link>
+                variable must
                 now be set to "1" rather than any value in order to enable
                 it.
             </para>