diff --git a/doc/packageconfig.xml b/doc/packageconfig.xml
index 8426fc050e8..ac0fdd33ee7 100644
--- a/doc/packageconfig.xml
+++ b/doc/packageconfig.xml
@@ -60,6 +60,14 @@
         </listitem>
     </itemizedlist>
 
+    <para>
+        A complete list of licenses can be found in the file
+        <programlisting>
+            lib/licenses.nix
+        </programlisting>
+        of the nix package tree.
+    </para>
+
     <para>
         To apply the configuration to the package manager, you have to emit the
         <programlisting>