diff --git a/docs/en/install/README.md b/docs/en/install/README.md
index d271aa069a..b612600623 100644
--- a/docs/en/install/README.md
+++ b/docs/en/install/README.md
@@ -110,7 +110,7 @@ This Ansible playbook includes RSSHub, Redis, browserless (uses Docker) and Cadd
 
 Currently only support Ubuntu 20.04
 
-Requires sudo privilege
+Requires sudo privilege and virtualization capability (Docker will be automatically installed)
 
 ### Install
 
diff --git a/docs/install/README.md b/docs/install/README.md
index 3d69e43013..a8c59fa918 100644
--- a/docs/install/README.md
+++ b/docs/install/README.md
@@ -112,7 +112,7 @@ $ docker run -d --name rsshub -p 1200:1200 -e CACHE_EXPIRE=3600 -e GITHUB_ACCESS
 
 目前只支持 Ubuntu 20.04
 
-需要 sudo 权限
+需要 sudo 权限和虚拟化能力（Docker 将会被自动安装）
 
 ### 安装