Use headlinese for added functions, per request

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/ChangeLog.d/mbedtls_tlsver_enum.txt b/ChangeLog.d/mbedtls_tlsver_enum.txt
index 529083e..c027ab7 100644
--- a/ChangeLog.d/mbedtls_tlsver_enum.txt
+++ b/ChangeLog.d/mbedtls_tlsver_enum.txt
@@ -5,6 +5,6 @@
      mbedtls_ssl_conf_min_tls_version().
 
 Features
-   * The new functions mbedtls_ssl_conf_max_tls_version() and
-     mbedtls_ssl_conf_min_tls_version() use a single value to specify
+   * Add functions mbedtls_ssl_conf_max_tls_version() and
+     mbedtls_ssl_conf_min_tls_version() that use a single value to specify
      the protocol version.