diff --git a/LDP/howto/docbook/Scanner-HOWTO.sgml b/LDP/howto/docbook/Scanner-HOWTO.sgml
index 44a7c0b6..92cd2904 100644
--- a/LDP/howto/docbook/Scanner-HOWTO.sgml
+++ b/LDP/howto/docbook/Scanner-HOWTO.sgml
@@ -321,7 +321,7 @@ nodev   usbfs</screen></para>
 <para>
 You may need to mount usbdevfs to enable it and see the device files, which you can do at the command line with <command>mount -t usbdevfs none /proc/bus/usb</command>. 
 
-Don't try to use libusb while <emphasis>kernel</emphasis> scanner support is enabled either statically or the module loaded; you can only use one at at time.</para> 
+Don't try to use libusb while <emphasis>kernel</emphasis> scanner support is enabled either statically or the module loaded; you can only use one at a time.</para> 
 <para>
 You can obtain the libusb package in <filename>.rpm</filename>, <filename>.tgz</filename> or <filename>.deb</filename> format from your Linux distribution.