1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 024c4f263f87..3ee2b22a9f7d 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -467,11 +467,12 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data,
         }
 
         /*
-         * Copy and uppercase the string. From the ACPI specification:
+         * Copy and uppercase the string. From the ACPI 5.0 specification:
          *
          * A valid PNP ID must be of the form "AAA####" where A is an uppercase
          * letter and # is a hex digit. A valid ACPI ID must be of the form
-         * "ACPI####" where # is a hex digit.
+         * "NNNN####" where N is an uppercase letter or decimal digit, and
+         * # is a hex digit.
          */
         for (dest = new_string->string.pointer; *source; dest++, source++) {
                 *dest = (char)ACPI_TOUPPER(*source);