Fix typos spotted by Gerard and James R.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@2802 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter02/abouttestsuites.xml

@@ -4,14 +4,14 @@
 
 <para>Most packages provide a test suite. Running the test suite for a newly
 built package is generally a good idea as it can provide a nice sanity check
-that everything compiled correctly. A test suite that passes it's set of
+that everything compiled correctly. A test suite that passes its set of
 checks usually proves that the package is functioning mostly as the developer
 intended. It does not, however, guarantee that the package is totally bug
 free.</para>
 
 <para>Some test suites are more important than others. For example, the test
-suites for the core toolchain packages, GCC and Binutils, and the C library,
-Glibc, are of the utmost importance due to their central positioning in a
+suites for the core toolchain packages -- GCC, Binutils, and Glibc (the C
+library) -- are of the utmost importance due to their central positioning in a
 properly functioning system. But be warned, the test suites for GCC and Glibc
 can take a very long period of time to complete, especially on slower
 hardware.</para>