diff --git a/README.md b/README.md
new file mode 100644
index 000000000..23be66d99
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# Yet Another Call Blocker data
+
+This repo contains the "main" phone number database. It is updated once in a couple of months. **The app receives daily (incremental) updates directly [from third-party services](https://gitlab.com/xynngh/YetAnotherCallBlocker#privacy)**.