diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index bdbfaf22b..962a3cc 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -93,7 +93,7 @@
 
 #define AOPOBJ_AML_CONSTANT         0x01	/* Integer is an AML constant */
 #define AOPOBJ_STATIC_POINTER       0x02	/* Data is part of an ACPI table, don't delete */
-#define AOPOBJ_DATA_VALID           0x04	/* Object is intialized and data is valid */
+#define AOPOBJ_DATA_VALID           0x04	/* Object is initialized and data is valid */
 #define AOPOBJ_OBJECT_INITIALIZED   0x08	/* Region is initialized, _REG was run */
 #define AOPOBJ_SETUP_COMPLETE       0x10	/* Region setup is complete */
 #define AOPOBJ_INVALID              0x20	/* Host OS won't allow a Region address */