diff --git a/doc/crypto/appendix/history.rst b/doc/crypto/appendix/history.rst
index 7c6ded68..97f42443 100644
--- a/doc/crypto/appendix/history.rst
+++ b/doc/crypto/appendix/history.rst
@@ -22,7 +22,7 @@ Changes to the API
 Clarifications and fixes
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
-*   TBD
+*   Corrected the example implementation of `PSA_ALG_IS_SIGN_HASH()` in :secref:`appendix-specdef-values`, to exclude PureEdDSA.
 
 Other changes
 ~~~~~~~~~~~~~
diff --git a/doc/crypto/appendix/specdef_values.rst b/doc/crypto/appendix/specdef_values.rst
index 1702167b..9bfa3ca5 100644
--- a/doc/crypto/appendix/specdef_values.rst
+++ b/doc/crypto/appendix/specdef_values.rst
@@ -1,4 +1,4 @@
-.. SPDX-FileCopyrightText: Copyright 2020-2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+.. SPDX-FileCopyrightText: Copyright 2020-2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
 .. SPDX-License-Identifier: CC-BY-SA-4.0 AND LicenseRef-Patent-license
 
 .. _appendix-specdef-values:
@@ -155,7 +155,8 @@ Algorithm macros
         (((alg) & 0x7f000000) == 0x06000000)
 
     #define PSA_ALG_IS_SIGN_HASH(alg) \
-        PSA_ALG_IS_SIGN(alg)
+        (PSA_ALG_IS_SIGN(alg) && \
+         (alg) != PSA_ALG_PURE_EDDSA)
 
     #define PSA_ALG_IS_SIGN_MESSAGE(alg) \
         (PSA_ALG_IS_SIGN(alg) && \