diff --git a/meta-selftest/README b/meta-selftest/README
new file mode 100644
index 0000000..11a6fee
--- /dev/null
+++ b/meta-selftest/README
@@ -0,0 +1,3 @@
+This layer is intended as test layer, used by scripts/oe-selftest
+and it's probably a mistake to include it in your builds (unless you
+want to run the script).