diff --git a/ChangeLog.d/mbedtls_x509_time.txt b/ChangeLog.d/mbedtls_x509_time.txt
index 3eacc29..557f191 100644
--- a/ChangeLog.d/mbedtls_x509_time.txt
+++ b/ChangeLog.d/mbedtls_x509_time.txt
@@ -1,2 +1,3 @@
 Features
    * Improve mbedtls_x509_time performance and reduce memory use.
+   * Reduce syscalls to time() during certificate verification.