dev/test/ref-manual: Fix typos

Fix some typos.
s/necesary/necessary/
s/overriden/overridden/

(From yocto-docs rev: 31f64af42474cbf965f9c9c216ad44939d9f498b)

Signed-off-by: Naoki Hayama <naoki.hayama@lineo.co.jp>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit f4ce6ae80b1d96f9b8bead013642aeda0c776182)
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/ref-manual/ref-variables.rst b/documentation/ref-manual/ref-variables.rst
index b7bb455800..880e76a0ed 100644
--- a/documentation/ref-manual/ref-variables.rst
+++ b/documentation/ref-manual/ref-variables.rst
@@ -4601,7 +4601,7 @@ system and gives an overview of their function and contents.
          MACHINEOVERRIDES =. "qemuall:"
 
       This
-      override allows variables to be overriden for all machines emulated
+      override allows variables to be overridden for all machines emulated
       in QEMU, like in the following example from the ``connman-conf``
       recipe:
       ::