diff --git a/src/main-process/parse-command-line.js b/src/main-process/parse-command-line.js
index ddcef09f5..d844b4033 100644
--- a/src/main-process/parse-command-line.js
+++ b/src/main-process/parse-command-line.js
@@ -45,7 +45,7 @@ module.exports = function parseCommandLine (processArgs) {
     'Do not load packages from ~/.atom/packages or ~/.atom/dev/packages.'
   )
   options.boolean('benchmark').describe('benchmark', 'Open a new window that runs the specified benchmarks.')
-  options.boolean('benchmark-test').describe('benchmark--test', 'Run a faster version of the benchmarks in headless mode.')
+  options.boolean('benchmark-test').describe('benchmark-test', 'Run a faster version of the benchmarks in headless mode.')
   options.alias('t', 'test').boolean('t').describe('t', 'Run the specified specs and exit with error code on failures.')
   options.alias('m', 'main-process').boolean('m').describe('m', 'Run the specified specs in the main process.')
   options.string('timeout').describe(