diff --git a/README.md b/README.md
index 9c67993ee..315ec519d 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ SiYuan is a local-first personal knowledge management system, support fine-grain
   * Standard Markdown with assets
   * Content block reference provides anchor text + embedded blockquote option
   * Copy to WeChat MP, Zhihu and Yuque
-* Data sync
+* Incremental data synchronization
 * [Online Workspace](https://ld246.com/xanadu/)
 * [Online Publishing](https://ld246.com/udanax/)
 * Android APP
diff --git a/README_zh_CN.md b/README_zh_CN.md
index 8917a953c..a3b605cc6 100644
--- a/README_zh_CN.md
+++ b/README_zh_CN.md
@@ -51,7 +51,7 @@
   * 带 assets 文件夹的标准 Markdown
   * 内容块引用提供锚文本 + 嵌入 Blockquote 选项
   * 复制到微信公众号、知乎和语雀
-* 数据同步
+* 增量数据同步
 * [在线工作空间](https://ld246.com/xanadu/)
 * [在线分享发布](https://ld246.com/udanax/)
 * Android APP