diff --git a/README.md b/README.md
index 870674e..9709844 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # NixOS
 
+* There is controversy about flakes, rather use channels (e.g. with niv)
+
 ## Build and Switch
 
 Directly change to new config, make it default: