diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 90938885ed..2b7a4b9a11 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -4070,6 +4070,12 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                 <para>
                     The variable is mandatory and is used in recipes when using
                     <filename>update-rc.d.bbclass</filename>.
+                    The value in
+                    <filename>INITSCRIPT_PARAMS</filename> is passed through
+                    to the <filename>update-rc.d</filename> command.
+                    For more information on valid parameters, please see the
+                    <filename>update-rc.d</filename> manual page at
+                    <ulink url='http://www.tin.org/bin/man.cgi?section=8&amp;topic=update-rc.d'></ulink>.
                 </para>
             </glossdef>
         </glossentry>
@@ -5525,7 +5531,7 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                     what variables are overridden after BitBake parses
                     recipes and configuration files.
                     You can find more information on how overrides are handled
-                    in the 
+                    in the
                     "<ulink url='&YOCTO_DOCS_BB_URL;#conditional-syntax-overrides'>Conditional Syntax (Overrides)</ulink>"
                     section of the BitBake User Manual.
                 </para>