diff --git a/external/unowinreg/README b/external/unowinreg/README
new file mode 100644
index 000000000000..464f64be8fb9
--- /dev/null
+++ b/external/unowinreg/README
@@ -0,0 +1,2 @@
+Copy unowinreg.dll from http://tools.openoffice.org/unowinreg_prebuild/680/
+here... [ or rebuild it using --with-mingwin= ]