Typo

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@11975 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter04/settingenviron.xml

@@ -159,7 +159,7 @@ EOF</userinput></screen>
      of <filename>/etc/bash.bashrc</filename> to the initialization of
      <command>bash</command>. This file has the potential to modify the
      <systemitem class="username">lfs</systemitem>
-     user's envirnment in ways that can affect the building of critical LFS
+     user's environment in ways that can affect the building of critical LFS
      packages. To make sure the <systemitem class="username">lfs</systemitem>
      user's envronment is clean, check for the
      presence of <filename>/etc/bash.bashrc</filename> and, if present, move it