Grammar updates and a minor script touch up.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9598 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

bootscripts/lfs/init.d/rc

@@ -156,7 +156,7 @@ fi
 
 if [ "${previous}" == "N" ]; then export IN_BOOT=1; fi
 
-if [ "$runlevel" == "6" ] && [ -n ${FASTBOOT} ]; then
+if [ "$runlevel" == "6" ] && [ -n "${FASTBOOT}" ]; then
    touch /fastboot
 fi
 

prologue/why.xml

@@ -339,7 +339,7 @@
       <listitem>
         <para>PCRE</para>
 
-        <para>This package is provides a library that can be used to implement
+        <para>This package provides a library that can be used to implement
         regular expression pattern matching using the same syntax and semantics
         as Perl 5.  It is a mandatory dependency of Glib, and can also be used
         by Grep.</para>
@@ -468,7 +468,7 @@
 
         <para>This package contains programs for compressing and decompressing 
         files.  It provides the highest compression generally available
-        and the useful for decompressing packages XZ or LZMA format.</para>
+        and is useful for decompressing packages XZ or LZMA format.</para>
       </listitem>
 
       <listitem>