diff --git a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
index 0643375574..113cbd30db 100644
--- a/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/disks/chapter.sgml
@@ -841,7 +841,7 @@ da0: 126MB (258048 512 byte sectors: 64H 32S/T 126C)</screen>
 	following line to
 	<filename>/etc/sysctl.conf</filename>:</para>
 
-      <programlisting>vfs.usermount="1"</programlisting>
+      <programlisting>vfs.usermount=1</programlisting>
 
       <para>Note that this only takes effect after the next reboot.
 	Alternatively, one can also use &man.sysctl.8; to set this