diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index 494ea99..961db98 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -429,7 +429,7 @@
  * \param rs_ctx   restart context
  *
  * \return         See \c mbedtls_crt_verify_with_profile(), or
- *                 MBEDTLS_ERR_ECP_IN_PROGRESS if maximum number of
+ * \return         #MBEDTLS_ERR_ECP_IN_PROGRESS if maximum number of
  *                 operations was reached: see \c mbedtls_ecp_set_max_ops().
  */
 int mbedtls_x509_crt_verify_restartable( mbedtls_x509_crt *crt,