Fix a couple of typos in Chapter 3

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@7597 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter03/introduction.xml

@@ -10,13 +10,14 @@
 
   <title>Introduction</title>
 
-  <para>This chapter includes a list of packages that need to be downloaded for
-  building a basic Linux system. The listed version numbers correspond to versions
-  of the software that are known to work, and this book is based on their use. We
-  highly recommend not using newer versions because the build commands for one
-  version may not work with a newer version. The newest package versions may also
-  have problems that require work-arounds. These work-arounds will be developed
-  and stabilized in the development version of the book.</para>
+  <para>This chapter includes a list of packages that need to be downloaded in
+  order to build a basic Linux system. The listed version numbers correspond to
+  versions of the software that are known to work, and this book is based on
+  their use. We highly recommend against using newer versions because the build
+  commands for one version may not work with a newer version. The newest package
+  versions may also have problems that require work-arounds. These work-arounds
+  will be developed and stabilized in the development version of the
+  book.</para>
 
   <para>Download locations may not always be accessible. If a download
   location has changed since this book was published, Google (<ulink
@@ -34,9 +35,9 @@
   located on the LFS partition and will be available during all stages
   of the building process.</para>
 
-  <para>To create this directory, execute, as user <systemitem
-  class="username">root</systemitem>, the following command before starting
-  the download session:</para>
+  <para>To create this directory, execute the following command, as user
+  <systemitem class="username">root</systemitem>, before starting the download
+  session:</para>
 
 <screen role="nodump"><userinput>mkdir -v $LFS/sources</userinput></screen>