manuals: Fix typos and spacing

Fix double words, punctuation spacing issues, spacing issues,
"its" instead of "it's", and other trivial issues.

(From yocto-docs rev: 56eb1f340a7af112e62c1d8ad02d4bec0ad88313)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/kernel-dev/maint-appx.rst b/documentation/kernel-dev/maint-appx.rst
index 89f4b43343..44c43893e2 100644
--- a/documentation/kernel-dev/maint-appx.rst
+++ b/documentation/kernel-dev/maint-appx.rst
@@ -64,7 +64,7 @@ the "yocto-4.12" branch of the ``yocto-kernel-cache`` repository:
    kernel versions (e.g. "yocto-4.12", "yocto-4.10", "yocto-4.9", and so forth).
 
 Once you have checked out and switched to appropriate branches, you can
-see a snapshot of all the kernel source files used to used to build that
+see a snapshot of all the kernel source files used to build that
 particular Yocto Linux kernel for a particular board.
 
 To see the features and configurations for a particular Yocto Linux