From 98f6f78a7082e061b328402dc378df0c3c40aeef Mon Sep 17 00:00:00 2001
From: Neil Armstrong <narmstrong@baylibre.com>
Date: Fri, 25 Mar 2022 15:36:07 +0100
Subject: [PATCH] Update mbedtls_pk_wrap_as_opaque() documentation for ECDH
 derivation usage

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 include/mbedtls/pk.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/mbedtls/pk.h b/include/mbedtls/pk.h
index 324612a24..a0d469494 100644
--- a/include/mbedtls/pk.h
+++ b/include/mbedtls/pk.h
@@ -923,7 +923,8 @@ int mbedtls_pk_load_file( const char *path, unsigned char **buf, size_t *n );
  *                  change or be removed at any time without notice.
  *
  * \note            Only ECDSA keys are supported so far. Signing with the
- *                  specified hash is the only allowed use of that key.
+ *                  specified hash & ECDH key agreement derivation operation
+ *                  are the only allowed use of that key.
  *
  * \param pk        Input: the EC key to import to a PSA key.
  *                  Output: a PK context wrapping that PSA key.