diff --git a/README.md b/README.md
index 938ee40bc..03efacaa8 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,9 @@ Mono-repository, containing all the packages, connected with comfortable and saf
 development on Telegram Mini Apps platform. To learn more about specific packages, follow
 their own [documentations](https://docs.telegram-mini-apps.com).
 
+> ⚠️ Working with @tma.js packages, you don't have to install library from SDK presented by
+> single file - telegram-web-app.js.
+
 ## Templates
 
 The list of Mini Apps templates, using different frontend technologies: