diff --git a/bin/render.js b/bin/render.js
index bff3b25..6e893ec 100755
--- a/bin/render.js
+++ b/bin/render.js
@@ -10,26 +10,28 @@ const transforms = require('../dist/transforms.v2.js');
 program
   .version('1.0.0')
   .description('Pre-renders distill articles for publication.')
-  .usage('-i <input path> -o <output path>')
-  .option('-i, --input_path <path>', 'path to input HTML file.')
-  .option('-o, --output_path <path>', 'path to write rendered HTML file to.')
+  .usage('-i <input_path> -o <output_path>')
+  .option('-i, --input-path <path>', 'path to input HTML file.')
+  .option('-o, --output-path <path>', 'path to write rendered HTML file to.')
   .parse(process.argv);
 
+console.warn(program);
+
 const virtualConsole = new jsdom.VirtualConsole();
 // omitJSDOMErrors as JSDOM routinely can't parse modern CSS
 virtualConsole.sendTo(console, { omitJSDOMErrors: true });
 
 const options = { runScripts: 'outside-only', QuerySelector: true, virtualConsole: virtualConsole };
-JSDOM.fromFile(program.input, options).then(dom => {
+JSDOM.fromFile(program.inputPath, options).then(dom => {
   const window = dom.window;
   const document = window.document;
 
   const data = new transforms.FrontMatter;
-  data.inputHTMLPath = program.input; // may be needed to resolve relative links!
-  data.inputDirectory = path.dirname(program.input);
+  data.inputHTMLPath = program.inputPath; // may be needed to resolve relative links!
+  data.inputDirectory = path.dirname(program.inputPath);
   transforms.render(document, data);
   transforms.distillify(document, data);
 
   const transformedHtml = dom.serialize();
-  fs.writeFileSync(program.output, transformedHtml);
+  fs.writeFileSync(program.outputPath, transformedHtml);
 }).catch(console.error);