diff --git a/Documentation/arch/arm64/cpu-feature-registers.rst b/Documentation/arch/arm64/cpu-feature-registers.rst
index 4e4625f2455f..5e9ef91f5e36 100644
--- a/Documentation/arch/arm64/cpu-feature-registers.rst
+++ b/Documentation/arch/arm64/cpu-feature-registers.rst
@@ -175,6 +175,8 @@ infrastructure:
      +------------------------------+---------+---------+
      | Name                         |  bits   | visible |
      +------------------------------+---------+---------+
+     | SME                          | [27-24] |    y    |
+     +------------------------------+---------+---------+
      | MTE                          | [11-8]  |    y    |
      +------------------------------+---------+---------+
      | SSBS                         | [7-4]   |    y    |