fix: better grammar

Author: felipelube

src/index.js

@@ -4,7 +4,7 @@ const { promisify } = require('util');
 const validateReq = require('./lib/validateReq');
 const exec = promisify(require('child_process').exec);
 
-// Critical: exit early if the token is not defined.
+// CRITICAL: exit early if no token is defined.
 if (!process.env.NSW_TOKEN) {
   console.error('NO TOKEN DEFINED, EXITING.');
   process.exit(1);