diff --git a/README.md b/README.md
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--- a/README.md
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 # paperize
-Convert a binary file to printable QR codes
+Convert a binary file to printable QR codes and back.
+Generates one nice PDF to print out with instructions on how to restore it.
+Includes a sha256 integrity check.
+Uses base64 encoding, so you should be able to restore the file even without
+this tool.
+
+## Usage
+See `paperize -h` for usage.
+
+## License
+This work is licensed under the MIT license. See LICENSE.md for details.