ref-manual: refer to MACHINE variable instead of KMACHINE

Although in the example case of a "raspberrypi2" the variable KMACHINE has the
same value as MACHINE, only the latter is an allowed override. So do not set the
reader on the wrong track.

Suggested-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
(From yocto-docs rev: 565ebcfe3ed68a9ea036f11cddafb36023f72099)

Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Reviewed-by: Quentin Schulz <foss+yocto@0leil.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 54da54f71d..62176f7ee8 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -4277,7 +4277,7 @@ system and gives an overview of their function and contents.
 
          KBUILD_DEFCONFIG:<machine> ?= "defconfig_file"
 
-      Here is an example from a "raspberrypi2" :term:`KMACHINE` build that uses
+      Here is an example from a "raspberrypi2" :term:`MACHINE` build that uses
       a ``defconfig`` file named "bcm2709_defconfig"::
 
          KBUILD_DEFCONFIG:raspberrypi2 = "bcm2709_defconfig"