diff --git a/README.md b/README.md
index f261313..880b869 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # senf
 
+> WARNING: You are better off using https://github.com/repomaa/env_config.cr!
+
 A safe environment variable requester.
 Should not be used in any kind of production environment.