Correct description of jail option

README.md

@@ -51,7 +51,7 @@ export default {
  preferBuiltins: false, // Default: true
 
  // Lock the module search in this path (like a chroot). Module defined
- // outside this path will be mark has external
+ // outside this path will be marked as external
  jail: '/my/jail/path', // Default: '/'
 
  // If true, inspect resolved files to check that they are