4 year old typo

lib/index.js

@@ -267,7 +267,7 @@ module.exports = class OtpRunner {
       ${errors.join('\n')}`)
     }
 
-    // if this point is reached, the manfiest.json file is valid!
+    // if this point is reached, the manifest.json file is valid!
     this.log.info('manifest is valid!')
     this.log.info(JSON.stringify(this.manifest, null, 2))
   }