diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index e2544f187e..e34cfbcffb 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -29,7 +29,7 @@
        <link linkend='var-KARCH'>K</link>
        <link linkend='var-LABELS'>L</link>
        <link linkend='var-MACHINE'>M</link>
-<!--               <link linkend='var-glossary-n'>N</link> -->
+       <link linkend='var-NATIVELSBSTRING'>N</link>
        <link linkend='var-OBJCOPY'>O</link>
        <link linkend='var-P'>P</link>
 <!--               <link linkend='var-glossary-q'>Q</link> -->