diff --git a/drivers/acpi/acpica/dbinput.c b/drivers/acpi/acpica/dbinput.c
index ee6a1b77af3f126707ce7c08a54982708145bd91..568d1b0b1f5d7dc54339dfb828d7b5d2190191a1 100644
--- a/drivers/acpi/acpica/dbinput.c
+++ b/drivers/acpi/acpica/dbinput.c
@@ -436,7 +436,7 @@ static void acpi_db_display_help(char *command)
 		acpi_os_printf("\n");
 
 	} else {
-		/* Display help for all commands that match the subtring */
+		/* Display help for all commands that match the substring */
 
 		acpi_db_display_command_info(command, TRUE);
 	}
diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c
index c022bef263e58693153cd86d65ece317be95189f..324269481160bddc55086ca61142feaff1f4f200 100644
--- a/drivers/acpi/acpica/nsxfobj.c
+++ b/drivers/acpi/acpica/nsxfobj.c
@@ -24,7 +24,8 @@ ACPI_MODULE_NAME("nsxfobj")
  *
  * RETURN:      Status
  *
- * DESCRIPTION: This routine returns the type associatd with a particular handle
+ * DESCRIPTION: This routine returns the type associated with a particular
+ *              handle
  *
  ******************************************************************************/
 acpi_status acpi_get_type(acpi_handle handle, acpi_object_type *ret_type)
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 5940a3c68a9607493d45ad5ca56efc46bc96d8b4..a225eff499c8ee098010890bb370be39712d1a3e 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -121,7 +121,7 @@
  *
  *****************************************************************************/
 
-/* Method info (in WALK_STATE), containing local variables and argumetns */
+/* Method info (in WALK_STATE), containing local variables and arguments */
 
 #define ACPI_METHOD_NUM_LOCALS          8
 #define ACPI_METHOD_MAX_LOCAL           7
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
index dd38c2b2e1b4501922d96f66351588728453fb68..11c5046dce160f12574c53ac38acfa7e6aab1e4b 100644
--- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -110,7 +110,7 @@ u32 gbl_table_count = 0;
  *
  * RETURN:      Status; Converted from errno.
  *
- * DESCRIPTION: Get last errno and conver it to acpi_status.
+ * DESCRIPTION: Get last errno and convert it to acpi_status.
  *
  *****************************************************************************/