diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index b3febc8c85..4ff1a21323 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -7362,7 +7362,7 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
      SYSTEMD_AUTO_ENABLE ??= "enable"
                     </literallayout>
                     You can disable the service by setting the variable to
-                    "disable."
+                    "disable".
                 </para>
             </glossdef>
         </glossentry>