docs: fix typo error

docs/notes/theme/config/theme.md

@@ -664,7 +664,7 @@ type NavItem = string | {
         {
           text: 'Group',
           prefix: '/group/',
-          item: ['foo/', 'bar/'],
+          items: ['foo/', 'bar/'],
         },
         // 字符串 - 页面文件路径
         '/bar', // 可以直接省略后缀 `.md`

docs/notes/theme/guide/quick-start/blog.md

@@ -457,7 +457,7 @@ export default defineUserConfig({
       postList: false, // 禁止生成博客文章列表页
       // tagsLink: '/blog/tags/',
       // categoriesLink: '/blog/categories/',
-      // archiveLink: '/blog/archives/',
+      // archivesLink: '/blog/archives/',
     }
   })
 })