Remove ecp_sub()
diff --git a/ChangeLog b/ChangeLog
index a3c4605..28a3ef2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -61,6 +61,7 @@
 
 Removals
    * Removed mbedtls_ecp_group_read_string(). Only named groups are supported.
+   * Removed mbedtls_ecp_sub().
    * Removed individual mdX_hmac and shaX_hmac functions (use generic
      md_hmac functions from md.h)
    * Removed the PBKDF2 module (use PKCS5).