diff --git a/README.md b/README.md
new file mode 100644
index 00000000..230ed293
--- /dev/null
+++ b/README.md
@@ -0,0 +1,19 @@
+# NixFlake/nixos
+
+This folder contains all the system configurations.
+
+- There is a common configuration used for all systems: ``NixFlake/nixos``
+- Every system has its own special configuration: ``NixFlake/nixos/<hostname>``
+
+When creating a NixOS configuration inside the ``NixFlake/flake.nix`` the common configuration is imported.
+Because the hostname is propagated to the common configuration, it can import the host-specific config by itself.
+
+# NixFlake/home
+
+This folder contains all the home-manager configurations.
+
+- There is a configuration for each user: ``NixFlake/home/<username>``
+- There is a common configuration for all systems of this user: ``NixFlake/home/<username>/<hostname>``
+
+When creating a NixOS configuration inside the ``NixFlake/flake.nix`` the common configuration is imported.
+Because the hostname is propagated to the common configuration, it can import the host-specific config by itself.