diff --git a/documentation/poky-ref-manual/ref-variables.xml b/documentation/poky-ref-manual/ref-variables.xml
index 3a6fbed659..1e31e0a3ab 100644
--- a/documentation/poky-ref-manual/ref-variables.xml
+++ b/documentation/poky-ref-manual/ref-variables.xml
@@ -1794,20 +1794,20 @@
                     The pathname of the working directory in which the Yocto Project build system  
                     builds packages.
                     This directory is located within the
-                    <link linkend='var-TMPDIR'>TMPDIR</link> directory structure and changes
+                    <link linkend='var-TMPDIR'><filename>TMPDIR</filename></link> directory structure and changes
                     as different packages are built.
                 </para>
 
                 <para>
                     The actual <filename>WORKDIR</filename> directory depends on several things:
                     <itemizedlist>
-                        <listitem>The temporary directory - <link linkend='var-TMPDIR'>TMPDIR</link></listitem>
-                        <listitem>The package architecture - <link linkend='var-PACKAGE_ARCH'>PACKAGE_ARCH</link></listitem>
-                        <listitem>The target machine - <link linkend='var-MACHINE'>MACHINE</link></listitem>
-                        <listitem>The target operating system - <link linkend='var-TARGET_OS'>TARGET_OS</link></listitem>
-                        <listitem>The package name - <link linkend='var-PN'>PN</link></listitem>
-                        <listitem>The package version - <link linkend='var-PV'>PV</link></listitem>
-                        <listitem>The package revision - <link linkend='var-PR'>PR</link></listitem>
+                        <listitem>The temporary directory - <link linkend='var-TMPDIR'><filename>TMPDIR</filename></link></listitem>
+                        <listitem>The package architecture - <link linkend='var-PACKAGE_ARCH'><filename>PACKAGE_ARCH</filename></link></listitem>
+                        <listitem>The target machine - <link linkend='var-MACHINE'><filename>MACHINE</filename></link></listitem>
+                        <listitem>The target operating system - <link linkend='var-TARGET_OS'><filename>TARGET_OS</filename></link></listitem>
+                        <listitem>The package name - <link linkend='var-PN'><filename>PN</filename></link></listitem>
+                        <listitem>The package version - <link linkend='var-PV'><filename>PV</filename></link></listitem>
+                        <listitem>The package revision - <link linkend='var-PR'><filename>PR</filename></link></listitem>
                     </itemizedlist>
                 </para>