Typo fix

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@6668 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter06/bash.xml

@@ -57,7 +57,7 @@ following patch resolves this problem:</para>
 <variablelist>
 <varlistentry>
 <term><parameter>--with-installed-readline</parameter></term>
-<listitem><para>This options tells Bash to use the
+<listitem><para>This option tells Bash to use the
 <filename class="libraryfile">readline</filename> library that is already installed
 on the system rather than using its own readline version.</para></listitem>
 </varlistentry>