Adapt ChangeLog
diff --git a/ChangeLog b/ChangeLog
index 0598cfa..fb1e918 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -13,6 +13,8 @@
    * Replace printf with mbedtls_printf in aria. Found by TrinityTonic in #1908.
    * Fix potential use-after-free in mbedtls_ssl_get_max_frag_len()
      and mbedtls_ssl_get_record_expansion() after a session reset. Fixes #1941.
+   * Fix a bug in the update function for SSL ticket keys which previously
+     invalidated keys of a lifetime of less than a 1s. Fixes #1968.
 
 Changes
    * Copy headers preserving timestamps when doing a "make install".
@@ -21,6 +23,7 @@
      Drozd. Fixes #1215 raised by randombit.
    * Improve compatibility with some alternative CCM implementations by using
      CCM test vectors from RAM.
+   * Add tests for session resumption in DTLS.
 
 = mbed TLS 2.12.0 branch released 2018-07-25