In one place, the documentation mentioned 'alternative-order' instead of
'alternative_order'.
<listitem>
<cmdsynopsis>
-<command><link linkend="alternative-order">alternative-order</link></command>
+<command><link linkend="alternative-order">alternative_order</link></command>
<arg choice="plain">
<replaceable>mimetype</replaceable>
</arg>
<replaceable>mimetype</replaceable>
</arg>
-<command><link linkend="alternative-order">unalternative-order</link></command>
+<command><link linkend="alternative-order">unalternative_order</link></command>
<group choice="req">
<arg choice="plain">
<replaceable>*</replaceable>