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-rw-r--r--Documentation/acpi/index.md5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/acpi/index.md b/Documentation/acpi/index.md
index c378722018..2f65e29968 100644
--- a/Documentation/acpi/index.md
+++ b/Documentation/acpi/index.md
@@ -1,6 +1,9 @@
# ACPI-specific documentation
-This section contains documentation about coreboot on ACPI.
+This section contains documentation about coreboot on ACPI. coreboot dropped
+backwards support for ACPI 1.0 and is only compatible to ACPI version 2.0 and
+upwards.
+
- [SSDT UID generation](uid.md)