<listitem>
<para>The value of a sysfs attribute found at the device, where
all keys of the rule have matched. If the matching device does not have
- such an attribute, all devices along the chain of parents are searched
- for a matching attribute.
+ such an attribute, follow the chain of parent devices and use the value
+ of the first attribute that matches.
If the attribute is a symlink, the last element of the symlink target is
returned as the value.</para>
</listitem>