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-rw-r--r--Documentation/arch/riscv/uabi.rst4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/arch/riscv/uabi.rst b/Documentation/arch/riscv/uabi.rst
index 243e40062e34..0c5299e00762 100644
--- a/Documentation/arch/riscv/uabi.rst
+++ b/Documentation/arch/riscv/uabi.rst
@@ -7,7 +7,9 @@ ISA string ordering in /proc/cpuinfo
------------------------------------
The canonical order of ISA extension names in the ISA string is defined in
-chapter 27 of the unprivileged specification.
+Chapter 27 of the RISC-V Instruction Set Manual Volume I Unprivileged ISA
+(Document Version 20191213).
+
The specification uses vague wording, such as should, when it comes to ordering,
so for our purposes the following rules apply: