diff --git a/library/ecp.c b/library/ecp.c
index 31197ce..b733bcc 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -124,6 +124,8 @@
  *
  * Curves are listed in order: largest curves first, and for a given size,
  * fastest curves first. This provides the default order for the SSL module.
+ *
+ * Reminder: update profiles in x509_crt.c when adding a new curves!
  */
 static const mbedtls_ecp_curve_info ecp_supported_curves[] =
 {