1 files changed, 4 insertions, 4 deletions

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 34198bf293ac..d9ceb3d31629 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -66,7 +66,7 @@
 #define ACPI_SIG_DBGP           "DBGP"  /* Debug Port table */
 #define ACPI_SIG_DMAR           "DMAR"  /* DMA Remapping table */
 #define ACPI_SIG_HPET           "HPET"  /* High Precision Event Timer table */
-#define ACPI_SIG_IBFT           "IBFT"  /* i_sCSI Boot Firmware Table */
+#define ACPI_SIG_IBFT           "IBFT"  /* iSCSI Boot Firmware Table */
 #define ACPI_SIG_IVRS           "IVRS"  /* I/O Virtualization Reporting Structure */
 #define ACPI_SIG_MCFG           "MCFG"  /* PCI Memory Mapped Configuration table */
 #define ACPI_SIG_MCHI           "MCHI"  /* Management Controller Host Interface table */
@@ -334,8 +334,8 @@ struct acpi_dmar_reserved_memory {
         struct acpi_dmar_header header;
         u16 reserved;
         u16 segment;
-        u64 base_address;       /* 4_k aligned base address */
-        u64 end_address;        /* 4_k aligned limit address */
+        u64 base_address;       /* 4K aligned base address */
+        u64 end_address;        /* 4K aligned limit address */
 };
 
 /* Masks for Flags field above */
@@ -565,7 +565,7 @@ struct acpi_ivrs_hardware {
 /* Masks for Info field above */
 
 #define ACPI_IVHD_MSI_NUMBER_MASK   0x001F      /* 5 bits, MSI message number */
-#define ACPI_IVHD_UNIT_ID_MASK      0x1F00      /* 5 bits, unit_iD */
+#define ACPI_IVHD_UNIT_ID_MASK      0x1F00      /* 5 bits, unit_ID */
 
 /*
  * Device Entries for IVHD subtable, appear after struct acpi_ivrs_hardware structure.