diff --git a/README.md b/README.md
index 70544ea..8303f80 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # codegen
 
+A script that turns `[filename].gen.ts` files into `[filename].ts` files by running the function exported by the `.gen.ts` files and putting the result of that function into the output `.ts` file. This is useful for any kind of codegen such as if you want to have a file that wants to do bulk imports of all the ts files in a different directory, or codegen database schema types, and so on.
+
 Use:
 
 ```sh