diff --git a/header.adoc b/header.adoc
index 7967f34..fb21d4b 100644
--- a/header.adoc
+++ b/header.adoc
@@ -1,9 +1,9 @@
 [[header]]
 :description: Atomic Compare-and-Swap (CAS) instructions
 :company: RISC-V.org
-:revdate: 9/2023
-:revnumber: 1.0-rc4
-:revremark: This document is in Frozen state. See http://riscv.org/spec-state for details.
+:revdate: 11/2023
+:revnumber: 1.0
+:revremark: This document is in Ratified state. See http://riscv.org/spec-state for details.
 :url-riscv: http://riscv.org
 :doctype: book
 :preface-title: Preamble
@@ -40,12 +40,10 @@ endif::[]
 
 // Preamble
 [WARNING]
-.This document is in the link:http://riscv.org/spec-state[Frozen state]
+.This document is in the link:http://riscv.org/spec-state[Ratified state]
 ====
-Change is extremely unlikely. A high threshold will be used, and a change will
-only occur because of some truly critical issue being identified during the
-public review cycle. Any other desired or needed changes can be the subject of a
-follow-on new extension.
+No changes are allowed. Any desired or needed changes can be the subject of a
+follow-on new extension. Ratified extensions are never revised
 ====
 
 [preface]