diff --git a/winsup/doc/ChangeLog b/winsup/doc/ChangeLog
index 97e246241..7e821b1e3 100644
--- a/winsup/doc/ChangeLog
+++ b/winsup/doc/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-08  Corinna Vinschen  <corinna@vinschen.de>
+
+	* new-features.sgml (ov-new1.7.8): Document new C99 complex API.
+
 2010-09-27  Corinna Vinschen  <corinna@vinschen.de>
 
 	* pathnames.sgml (mount-table): Fix pathnames-mount-ex example.  Change
diff --git a/winsup/doc/new-features.sgml b/winsup/doc/new-features.sgml
index 5863e87a9..493313820 100644
--- a/winsup/doc/new-features.sgml
+++ b/winsup/doc/new-features.sgml
@@ -16,7 +16,16 @@ GNU C Library manual</ulink> for full details of this functionality.
 </para></listitem>
 
 <listitem><para>
-/proc/sys allows to access the native NT namespace.
+Support for the C99 complex functions, except for the "long double"
+implementations.  New APIs: cacos, cacosf, cacosh, cacoshf, carg, cargf, casin,
+casinf, casinh, casinhf, catan, catanf, catanh, catanhf, ccos, ccosf, ccosh,
+ccoshf, cexp, cexpf, cimag, cimagf, clog, clogf, conj, conjf, cpow, cpowf,
+cproj, cprojf, creal, crealf, csin, csinf, csinh, csinhf, csqrt, csqrtf, ctan,
+ctanf, ctanh, ctanhf.
+</para></listitem>
+
+<listitem><para>
+Drop support for Windows NT4 prior to Service Pack 4.
 </para></listitem>
 
 <listitem><para>