diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 49632365d2..6be2b7a097 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -4599,7 +4599,8 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
      SERIAL_CONSOLE = "115200 ttyS0"
                     </literallayout>
                     <note>
-                        The <filename>SERIAL_CONSOLE</filename> is deprecated.
+                        The <filename>SERIAL_CONSOLE</filename> variable
+                        is deprecated.
                         Please use the
                         <link linkend='var-SERIAL_CONSOLES'><filename>SERIAL_CONSOLES</filename></link>
                         variable.