diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 4ad65a8b65..4257b21092 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -13966,7 +13966,7 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                     in your recipe.
                     The variable's default value is set in the
                     <link linkend='ref-classes-syslinux'><filename>syslinux</filename></link>
-                    as follows:
+                    class as follows:
                     <literallayout class='monospaced'>
      SYSLINUX_SERIAL ?= "0 115200"
                     </literallayout>