Some s/filesystem/file system/ according to the wordlist.

svn path=/head/; revision=14213

en_US.ISO8859-1/books/handbook/eresources/chapter.sgml

@@ -248,7 +248,7 @@
 	    
 	    <row>
 	      <entry>freebsd-fs</entry>
-	      <entry>Filesystems</entry>
+	      <entry>File systems</entry>
 	    </row>
 		
 	    <row>
@@ -895,9 +895,9 @@ help
 	  <term>FREEBSD-FS</term>
 	  
 	  <listitem>
-	    <para><emphasis>Filesystems</emphasis></para>
+	    <para><emphasis>File systems</emphasis></para>
 	    
-	    <para>Discussions concerning FreeBSD filesystems.  This is a
+	    <para>Discussions concerning FreeBSD file systems.  This is a
 	      technical mailing list for which strictly technical content is
 	      expected.</para>
 	  </listitem>