diff --git a/winsup/doc/ChangeLog b/winsup/doc/ChangeLog
index 19bf2dbd0..8bd1c7dc3 100644
--- a/winsup/doc/ChangeLog
+++ b/winsup/doc/ChangeLog
@@ -1,3 +1,7 @@
+2011-04-04  Corinna Vinschen  <corinna@vinschen.de>
+
+	* new-features.sgml (ov-new1.7.10): Document dropped NT4 support.
+
 2011-04-04  Yaakov Selkowitz  <yselkowitz@users.sourceforge.net>
 
 	* new-features.sgml (ov-new1.7.10): Document additional information
diff --git a/winsup/doc/new-features.sgml b/winsup/doc/new-features.sgml
index 3667a0d0b..f73296322 100644
--- a/winsup/doc/new-features.sgml
+++ b/winsup/doc/new-features.sgml
@@ -4,6 +4,10 @@
 
 <itemizedlist mark="bullet">
 
+<listitem><para>
+Drop support for Windows NT4.
+</para></listitem>
+
 <listitem><para>
 Pthread spinlocks.  New APIs: pthread_spin_destroy, pthread_spin_init,
 pthread_spin_lock, pthread_spin_trylock, pthread_spin_unlock.