diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 4257b21092..fd89b4d8c8 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -14009,7 +14009,7 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                     Specifies the alternate console=tty... kernel boot argument.
                     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_TTY ?= "console=ttyS0,115200"
                     </literallayout>