diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 9184c50776..bb15fc52ed 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -12231,6 +12231,15 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
BB_SERVER_TIMEOUT
+
+
+ For additional information on how to customize the
+ extensible SDK's configuration, see the
+ "Configuring the Extensible SDK"
+ section in the Yocto Project Application Development and
+ the Extensible Software Development Kit (eSDK) manual.
+
+