diff --git a/tools/binpac/patches/README b/tools/binpac/patches/README
new file mode 100644
index 0000000000..1d3b116566
--- /dev/null
+++ b/tools/binpac/patches/README
@@ -0,0 +1,2 @@
+Note: It's unclear which of these patches have in fact already been
+applied. We should figure that out ...