ACPI: Kconfig: Fix a typo in Kconfig

This patch fixes a spelling typo in acpi/Kconfig

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 1da360c..cdbdf68 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -71,7 +71,7 @@
 if ACPI_DEBUGGER
 
 config ACPI_DEBUGGER_USER
-	tristate "Userspace debugger accessiblity"
+	tristate "Userspace debugger accessibility"
 	depends on DEBUG_FS
 	help
 	  Export /sys/kernel/debug/acpi/acpidbg for userspace utilities