diff --git a/README.md b/README.md
index 1a19e60..20ade7b 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,11 @@
 ## Connect frontend to backend DB reactively!
 
 Check [demo](./demo/readme.md) to try an interactive demonstration.
+
+You might need to link the core lib to the demo manually:
+```bash
+cd core
+npm link
+cd ../demo
+npm link ../core
+```