Improve psa_key_start_creation description
Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 17cec97..2f01bf2 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -1834,7 +1834,9 @@
*
* \param method An identification of the calling function.
* \param[in] attributes Key attributes for the new key.
- * \param[out] key On success, identifier of the key.
+ * \param[out] key On success, identifier of the key. Note that the
+ * key identifier is also stored in the prepared
+ * slot.
* \param[out] p_slot On success, a pointer to the prepared slot.
* \param[out] p_drv On any return, the driver for the key, if any.
* NULL for a transparent key.