diff --git a/documentation/ref-manual/technical-details.xml b/documentation/ref-manual/technical-details.xml
index 8560e9aa4f..319795f672 100644
--- a/documentation/ref-manual/technical-details.xml
+++ b/documentation/ref-manual/technical-details.xml
@@ -514,7 +514,8 @@
             <literallayout class='monospaced'>
      PACKAGE_ARCHS[vardepsexclude] = "MACHINE"
             </literallayout>
-            This example ensures that the <filename>PACKAGE_ARCHS</filename>
+            This example ensures that the
+            <link linkend='var-PACKAGE_ARCHS'><filename>PACKAGE_ARCHS</filename></link>
             variable does not
             depend on the value of
             <link linkend='var-MACHINE'><filename>MACHINE</filename></link>,