diff --git a/ChangeLog b/ChangeLog
index 96ed1f0fd53105c693b70002c07902f394eb653d..0dd7f5da20fe43c07890bb46c8eac1829cdef49c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@
 
 	* nettle.texinfo (Elliptic curves): Split into sub-nodes.
 	(Miscellaneous functions): Document memeql_sec.
+	* NEWS: Mention memeql_sec.
 
 2016-09-06  Niels Möller  <nisse@lysator.liu.se>
 
diff --git a/NEWS b/NEWS
index eabc82e6c4d07426237128241e4304df9b291c3a..16e93a1b7368dc7eede56e72176b8f7eda851d5f 100644
--- a/NEWS
+++ b/NEWS
@@ -45,6 +45,11 @@ NEWS for the Nettle 3.3 release
 	* Fix a couple of formally undefined shift operations,
           reported by Nikos Mavrogiannopoulos.
 
+	New features:
+
+	* New function memeql_sec, for side-channel silent comparison
+	  of two memory areas.
+
 	Miscellaneous:
 
 	* Building the public key support of nettle now requires GMP