<varlistentry>
<term><option>--update</option></term>
<listitem>
- <para>Compile the hardware dabase information located in /usr/lib/udev/hwdb.d/,
- /etc/udev/hwdb.d/ and store it in <filename>/etc/udev/hwdb.bin</filename>. This should be done with
- any update to the source files, it will not be called automatically. The running
+ <para>Compile the hardware database information located in /usr/lib/udev/hwdb.d/,
+ /etc/udev/hwdb.d/ and store it in <filename>/etc/udev/hwdb.bin</filename>. This should be done after
+ any update to the source files; it will not be called automatically. The running
udev daemon will detect a new database on its own and does not need to be
notified about it.</para>
</listitem>
retrieved properties.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--root=<replaceable>string</replaceable></option></term>
+ <listitem>
+ <para>Alternative root path in the filesystem for reading and writing files.</para>
+ </listitem>
+ </varlistentry>
</variablelist>
</refsect2>