diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 64fece31e6..16f972ce37 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -1503,6 +1503,26 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
+ KERNEL_PATH
+
+
+ The location of the kernel sources.
+ This variable is set to the value of the
+ STAGING_KERNEL_DIR
+ within the module.bbclass class.
+ For information on how this variable is used, see the
+ "Incorporating Out-of-Tree Modules"
+ section.
+
+
+
+ The KERNEL_SRC
+ variable is identical to the KERNEL_PATH
+ variable.
+
+
+
+
KERNEL_SRC
@@ -1513,7 +1533,13 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
For information on how this variable is used, see the
"Incorporating Out-of-Tree Modules"
section.
-
+
+
+
+ The KERNEL_PATH
+ variable is identical to the KERNEL_SRC
+ variable.
+