diff --git a/doc/tools/netkey-tool.xml b/doc/tools/netkey-tool.xml
index 78a01fd6..53deaf59 100644
--- a/doc/tools/netkey-tool.xml
+++ b/doc/tools/netkey-tool.xml
@@ -100,7 +100,7 @@
           <command>netkey-tool</command> will tell you which one is needed.</para></listitem>
         </varlistentry>
         <varlistentry>
-          <term><option>change</option> { <option>pin</option> | <option>puk</otpion> |
+          <term><option>change</option> { <option>pin</option> | <option>puk</option> |
           <option>pin0</option> | <option>pin1</option> } new-pin</term>
           <listitem><para>This changes the value of the specified pin to the given new value.
           You must specify either the current value of the pin or another pin to be able to do