MAINTAINERS / ACPI: add the necessary '/' according to entry rules

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

MAINTAINERS

@@ -270,12 +270,12 @@ F:	drivers/acpi/
 F:	drivers/pnp/pnpacpi/
 F:	include/linux/acpi.h
 F:	include/acpi/
-F:	Documentation/acpi
+F:	Documentation/acpi/
 F:	Documentation/ABI/testing/sysfs-bus-acpi
 F:	drivers/pci/*acpi*
 F:	drivers/pci/*/*acpi*
 F:	drivers/pci/*/*/*acpi*
-F:	tools/power/acpi
+F:	tools/power/acpi/
 
 ACPI COMPONENT ARCHITECTURE (ACPICA)
 M:	Robert Moore <robert.moore@intel.com>