diff --git a/ChangeLog b/ChangeLog
index 533d2ec3f..c6a3fe893 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,8 @@
  - (tim) [Makefile.in] Now that scard is gone, no need to make $(datadir)
  - (tim) [Makefile.in] Add missing $(EXEEXT) to install targets.
    Patch from Corinna Vinschen.
+ - (tim) [contrib/cygwin/Makefile] Fix list of documentation files to install
+   on a Cygwin installation. Patch from Corinna Vinschen.
 
 20100311
  - (tim) [contrib/suse/openssh.spec] crank version number here too.
diff --git a/contrib/cygwin/Makefile b/contrib/cygwin/Makefile
index 9f680c16c..fe3ae0bbd 100644
--- a/contrib/cygwin/Makefile
+++ b/contrib/cygwin/Makefile
@@ -42,11 +42,13 @@ install-sshdoc:
 	$(INSTALL) -m 644 $(srcdir)/OVERVIEW $(DESTDIR)$(sshdocdir)/OVERVIEW
 	$(INSTALL) -m 644 $(srcdir)/PROTOCOL $(DESTDIR)$(sshdocdir)/PROTOCOL
 	$(INSTALL) -m 644 $(srcdir)/PROTOCOL.agent $(DESTDIR)$(sshdocdir)/PROTOCOL.agent
+	$(INSTALL) -m 644 $(srcdir)/PROTOCOL.certkeys $(DESTDIR)$(sshdocdir)/PROTOCOL.agent
+	$(INSTALL) -m 644 $(srcdir)/PROTOCOL.mux $(DESTDIR)$(sshdocdir)/PROTOCOL.agent
 	$(INSTALL) -m 644 $(srcdir)/README $(DESTDIR)$(sshdocdir)/README
 	$(INSTALL) -m 644 $(srcdir)/README.dns $(DESTDIR)$(sshdocdir)/README.dns
 	$(INSTALL) -m 644 $(srcdir)/README.platform $(DESTDIR)$(sshdocdir)/README.platform
 	$(INSTALL) -m 644 $(srcdir)/README.privsep $(DESTDIR)$(sshdocdir)/README.privsep
-	$(INSTALL) -m 644 $(srcdir)/README.smartcard $(DESTDIR)$(sshdocdir)/README.smartcard
+	$(INSTALL) -m 644 $(srcdir)/README.tun $(DESTDIR)$(sshdocdir)/README.privsep
 	$(INSTALL) -m 644 $(srcdir)/TODO $(DESTDIR)$(sshdocdir)/TODO
 	$(INSTALL) -m 644 $(srcdir)/WARNING.RNG $(DESTDIR)$(sshdocdir)/WARNING.RNG