docs: update description of vuepress (#4922)

docs/en/guide/what-is-vitepress.md

@@ -50,8 +50,8 @@ Unlike many traditional SSGs where each navigation results in a full page reload
 
 ## What About VuePress?
 
-VitePress is the spiritual successor of VuePress. The original VuePress was based on Vue 2 and webpack. With Vue 3 and Vite under the hood, VitePress provides significantly better DX, better production performance, a more polished default theme, and a more flexible customization API.
+VitePress is the spiritual successor of VuePress 1. The original VuePress 1 was based on Vue 2 and webpack. With Vue 3 and Vite under the hood, VitePress provides significantly better DX, better production performance, a more polished default theme, and a more flexible customization API.
 
-The API difference between VitePress and VuePress mostly lies in theming and customization. If you are using VuePress 1 with the default theme, it should be relatively straightforward to migrate to VitePress.
+The API difference between VitePress and VuePress 1 mostly lies in theming and customization. If you are using VuePress 1 with the default theme, it should be relatively straightforward to migrate to VitePress.
 
-There has also been effort invested into VuePress 2, which also supports Vue 3 and Vite with more compatibility with VuePress 1. However, maintaining two SSGs in parallel isn't sustainable, so the Vue team has decided to focus on VitePress as the main recommended SSG in the long run.
+Maintaining two SSGs in parallel isn't sustainable, so the Vue team has decided to focus on VitePress as the main recommended SSG in the long run. Now VuePress 1 has been deprecated, and VuePress 2 has been handed over to the VuePress community team for further development and maintenance.

docs/zh/guide/what-is-vitepress.md

@@ -50,8 +50,8 @@ VitePress 旨在使用 Markdown 生成内容时提供出色的开发体验。
 
 ## VuePress 又是什么？ {#what-about-vuepress}
 
-VitePress 灵感来源于 VuePress。最初的 VuePress 基于 Vue 2 和 webpack。借助 Vue 3 和 Vite，VitePress 提供了更好的开发体验、更好的生产性能、更精美的默认主题和更灵活的自定义 API。
+VitePress 灵感来源于 VuePress。最初的 VuePress 1 基于 Vue 2 和 webpack。VitePress 则基于 Vue 3 和 Vite 开发，提供了更好的开发体验、更好的生产性能、更精美的默认主题和更灵活的自定义 API。
 
-VitePress 和 VuePress 之间的 API 区别主要在于主题和自定义。如果使用的是带有默认主题的 VuePress 1，迁移到 VitePress 应该相对简单。
+VitePress 和 VuePress 1 的 API 区别主要在于主题和自定义。如果你使用的是 VuePress 1 的默认主题，应该可以很方便地迁移到 VitePress。
 
-VuePress 2 我们也投入了精力，它也支持 Vue 3 和 Vite，与 VuePress 1 的兼容性更好。但是，并行维护两个 SSG 是难以持续的，因此 Vue 团队决定将重点放在 VitePress，作为长期的主要 SSG 选择推荐。
+并行维护两个 SSG 是难以持续的，因此 Vue 团队决定将 VitePress 作为长期维护并推荐的 SSG。现在 VuePress 1 已被弃用，VuePress 2 已移交给 VuePress 社区团队进行进一步开发和维护。