-For the time being you can run the extension as a local "unpacked" extension, but if you make modifications you may like to make a distributible crx file. You can do this with the included build script - just run `make all` in the root directory.
+For the time being you can run the extension as a local "unpacked" extension, but if you make modifications you may like to make a distributible crx file. You can do this with the included build script - just run `make all` in the root directory. You'll need your own private key in newtab.pem in the root directory (Chrome can generate this from the Extensions page).