docs: fix middlware docs (#1037)

yargs · Jan 9, 2018 · e87f487 · e87f487
1 parent 331d103
commit e87f487
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/docs/advanced.md b/docs/advanced.md
@@ -467,7 +467,8 @@ var argv = require('yargs')
                     .option('password')
       } ,(argv) => {
         authenticateUser(argv.username, argv.password)
-      })
-  .middlewares([normalizeCredentials])
+      }, 
+      [normalizeCredentials]
+     )
   .argv;
 ```