diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index a797cd54fe..de79c9b210 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -1134,6 +1134,8 @@ psa_status_t psa_hash_clone(const psa_hash_operation_t *source_operation,
  * \retval #PSA_ERROR_COMMUNICATION_FAILURE
  * \retval #PSA_ERROR_HARDWARE_FAILURE
  * \retval #PSA_ERROR_CORRUPTION_DETECTED
+ * \retval #PSA_ERROR_STORAGE_FAILURE
+ *         The key could not be retrieved from storage.
  * \retval #PSA_ERROR_BAD_STATE
  *         The library has not been previously initialized by psa_crypto_init().
  *         It is implementation-dependent whether a failure to initialize