doc: Konfig: Documentation/power/{pm => apm-acpi}.txt

Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

kernel/power/Kconfig

@@ -193,8 +193,8 @@ config APM_EMULATION
 	  notification of APM "events" (e.g. battery status change).
 
 	  In order to use APM, you will need supporting software. For location
-	  and more information, read <file:Documentation/power/pm.txt> and the
-	  Battery Powered Linux mini-HOWTO, available from
+	  and more information, read <file:Documentation/power/apm-acpi.txt>
+	  and the Battery Powered Linux mini-HOWTO, available from
 	  <http://www.tldp.org/docs.html#howto>.
 
 	  This driver does not spin down disk drives (see the hdparm(8)