diff --git a/lib/do_create_instance.js b/lib/do_create_instance.js
index c06b6f3..8af49ba 100644
--- a/lib/do_create_instance.js
+++ b/lib/do_create_instance.js
@@ -18,9 +18,8 @@ function do_create_instance(subcmd, opts, args, callback) {
     if (opts.help) {
         this.do_help('help', {}, [subcmd], callback);
         return;
-    } else if (args.length < 1 || args.length > 2) {
-        return callback(new errors.UsageError(format(
-            'incorrect number of args (%d)', args.length)));
+    } else if (args.length !== 2) {
+        return callback(new errors.UsageError('incorrect number of args'));
     }
 
     var log = this.triton.log;
@@ -206,7 +205,7 @@ do_create_instance.help = (
     'Create a new instance.\n' +
     '\n' +
     'Usage:\n' +
-    '    {{name}} create-instance [<options>] IMAGE [PACKAGE]\n' +
+    '    {{name}} create-instance [<options>] IMAGE PACKAGE\n' +
     '\n' +
     '{{options}}'
     /* END JSSTYLED */