Update ChangeLog for fix to #836
diff --git a/ChangeLog b/ChangeLog
index 565ea29..ec91259 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,10 @@
 Features
    * Allow comments in test data files.
 
+Bugfix
+   * Fix memory leak in mbedtls_ssl_set_hostname() when called multiple times.
+     Found by projectgus and jethrogb, #836.
+
 = mbed TLS 2.6.0 branch released 2017-08-10
 
 Security
@@ -194,8 +198,6 @@
      team. #569 CVE-2017-2784
 
 Bugfix
-   * Fix memory leak in mbedtls_ssl_set_hostname() when called multiple times.
-     Found by jethrogb, #836.
    * Fix output certificate verification flags set by x509_crt_verify_top() when
      traversing a chain of trusted CA. The issue would cause both flags,
      MBEDTLS_X509_BADCERT_NOT_TRUSTED and MBEDTLS_X509_BADCERT_EXPIRED, to be