diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 5b56765cdd..a3f0c1b87a 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -100,7 +100,7 @@
                     By default, this directory is the same as the <link linkend='var-S'><filename>S</filename></link>
                     directory:
                     <literallayout class='monospaced'>
-     B = ${WORKDIR}/${BPN}/{PV}/
+     B = "${WORKDIR}/${BPN}/{PV}/"
                     </literallayout>
                     You can separate the (<filename>S</filename>) directory and the directory pointed to
                     by the <filename>B</filename> variable.
@@ -3277,7 +3277,7 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                     files when building a particular package.
                     It is typically set as follows:
                     <literallayout class='monospaced'>
-     T = ${WORKDIR}/temp
+     T = "${WORKDIR}/temp"
                     </literallayout>
                     The <link linkend='var-WORKDIR'><filename>WORKDIR</filename></link>
                     is the directory into which BitBake unpacks and builds the package.