Clarify PSA_ERROR_NOT_SUPPORTED error reasons
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/tf-psa-crypto/include/psa/crypto.h b/tf-psa-crypto/include/psa/crypto.h
index 69b438e..310cfc7 100644
--- a/tf-psa-crypto/include/psa/crypto.h
+++ b/tf-psa-crypto/include/psa/crypto.h
@@ -5006,10 +5006,8 @@
*
* \retval #PSA_ERROR_NOT_SUPPORTED
* The following conditions can result in this error:
- * * \p alg is not supported or is not a key agreement algorithm.
- * * \p private_key is not supported for use with \p alg. The output
- * key attributes, as a whole, are not supported, either by the
- * implementation in general or in the specified storage location.
+ * * \p alg is not supported.
+ * * \p private_key is not supported for use with \p alg.
*
* \retval #PSA_ERROR_INVALID_ARGUMENT \emptydescription
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY \emptydescription