diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 05d76e1c1..57d3766ab 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -832,6 +832,7 @@ psa_status_t psa_copy_key(psa_key_handle_t source_handle,
  * \retval #PSA_ERROR_HARDWARE_FAILURE
  * \retval #PSA_ERROR_CORRUPTION_DETECTED
  * \retval #PSA_ERROR_STORAGE_FAILURE
+ * \retval #PSA_ERROR_INSUFFICIENT_MEMORY
  * \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