-What:          /sys/class/devfreq-event/event(x)/
+What:          /sys/class/devfreq-event/event<x>/
 Date:          January 2017
 Contact:       Chanwoo Choi <cw00.choi@samsung.com>
 Description:
                Provide a place in sysfs for the devfreq-event objects.
                This allows accessing various devfreq-event specific variables.
-               The name of devfreq-event object denoted as 'event(x)' which
+               The name of devfreq-event object denoted as 'event<x>' which
                includes the unique number of 'x' for each devfreq-event object.
 
-What:          /sys/class/devfreq-event/event(x)/name
+What:          /sys/class/devfreq-event/event<x>/name
 Date:          January 2017
 Contact:       Chanwoo Choi <cw00.choi@samsung.com>
 Description:
-               The /sys/class/devfreq-event/event(x)/name attribute contains
+               The /sys/class/devfreq-event/event<x>/name attribute contains
                the name of the devfreq-event object. This attribute is
                read-only.
 
-What:          /sys/class/devfreq-event/event(x)/enable_count
+What:          /sys/class/devfreq-event/event<x>/enable_count
 Date:          January 2017
 Contact:       Chanwoo Choi <cw00.choi@samsung.com>
 Description:
-               The /sys/class/devfreq-event/event(x)/enable_count attribute
+               The /sys/class/devfreq-event/event<x>/enable_count attribute
                contains the reference count to enable the devfreq-event
                object. If the device is enabled, the value of attribute is
                greater than zero.