diff --git a/winsup/doc/ChangeLog b/winsup/doc/ChangeLog
index 4d1906dde..1afaae1af 100644
--- a/winsup/doc/ChangeLog
+++ b/winsup/doc/ChangeLog
@@ -1,3 +1,7 @@
+2008-04-24  Corinna Vinschen  <corinna@vinschen.de>
+
+	* cygwin-api.in.sgml: Add std-susv4 section to Compatibility chapter.
+
 2008-04-13  Corinna Vinschen  <corinna@vinschen.de>
 
 	* cygwinenv.sgml: Drop description of "transparent_exe" option.
diff --git a/winsup/doc/cygwin-api.in.sgml b/winsup/doc/cygwin-api.in.sgml
index c674b87af..9b4996da8 100644
--- a/winsup/doc/cygwin-api.in.sgml
+++ b/winsup/doc/cygwin-api.in.sgml
@@ -19,6 +19,7 @@ DOCTOOL-INSERT-std-susv3
 DOCTOOL-INSERT-std-bsd
 DOCTOOL-INSERT-std-gnu
 DOCTOOL-INSERT-std-solaris
+DOCTOOL-INSERT-std-susv4
 DOCTOOL-INSERT-std-deprec
 DOCTOOL-INSERT-std-notimpl
 DOCTOOL-INSERT-std-notes