diff --git a/LDP/howto/docbook/UPS-HOWTO.xml b/LDP/howto/docbook/UPS-HOWTO.xml
index 88f75fd1..0fd42b75 100644
--- a/LDP/howto/docbook/UPS-HOWTO.xml
+++ b/LDP/howto/docbook/UPS-HOWTO.xml
@@ -213,7 +213,7 @@ computer, too.</para>
 
 <para>An important fact about surge suppressors is that <emphasis>they
 need to be replaced if they absorb a large surge</emphasis>.  Besides
-fuses, most suppressors rely on on components called Metal-Oxide
+fuses, most suppressors rely on components called Metal-Oxide
 Varistors (or MOVs) for spike suppression, which degrade when they
 take a voltage hit.  The problem with cheap suppressors is that they
 don't tell you when the MOV is cooked, so you can end up with no spike