diff --git a/README.md b/README.md
index f381575..b3b8c5e 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,8 @@ radiantwave/
 Two supported ways to build: **CMake + Ninja** (any machine with the
 dependencies installed, or inside `nix develop`) and **Nix** (the flake builds
 the package and runs the offline test suite in its `checkPhase`).
+The Nix builds are really only important for testing builds compile, and
+building the actual Nix deployment binary
 
 ### Prerequisites (CMake + Ninja)