[yocto] [PATCH][yocto-docs] Couple aesthetic fixes for Chapter 1, kernel dev manual

[Robert P. J. Day]

* "sys" filesystem is technically "sysfs"

Signed-off-by: Robert P. J. Day <rpjday at crashcourse.ca>

---

  nothing earth-shattering, just more pedantry.

diff --git a/documentation/kernel-dev/kernel-dev-intro.xml b/documentation/kernel-dev/kernel-dev-intro.xml
index 263e500..abc51aa 100644
--- a/documentation/kernel-dev/kernel-dev-intro.xml
+++ b/documentation/kernel-dev/kernel-dev-intro.xml
@@ -74,14 +74,14 @@
             visible <filename>CONFIG</filename> options as presented by the Linux
             kernel <filename>menuconfig</filename> system.
             Contrast this against a complete Linux kernel
-            <filename>.config</filename>, which includes all the automatically
+            <filename>.config</filename> file, which includes all the automatically
             selected <filename>CONFIG</filename> options.
             This efficiency reduces your maintenance effort and allows you
             to further separate your configuration in ways that make sense for
             your project.
             A common split separates policy and hardware.
             For example, all your kernels might support
-            the <filename>proc</filename> and <filename>sys</filename> filesystems,
+            the <filename>proc</filename> and <filename>sysfs</filename> filesystems,
             but only specific boards require sound, USB, or specific drivers.
             Specifying these configurations individually allows you to aggregate
             them together as needed, but maintains them in only one place.

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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