diff --git a/README.md b/README.md
index 1fcd190..0a53d57 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,16 @@
 # VIM Config
 
 Run `build.sh` to make vimrc.
-Plugins don't work yet.
\ No newline at end of file
+Plugins don't in non-nix systems yet.
+
+------------
+
+To use this in `configuration.nix`, add the following to `imports`:
+
+```nix
+builtins.fetchGit {
+    url = "https://git.betalupi.com/Mark/vim.git";
+    ref = "master"; # or a hash
+} + /vim.nix
+```
+