diff --git a/README.md b/README.md
index d93bed9506d2cf33046817ea6d92c61eeb040f26..1d73b34791d542cb91046786bcabcc0abcce5245 100644
--- a/README.md
+++ b/README.md
@@ -369,6 +369,10 @@ Then rerurn linux lab:
 
 ## 2.7 Quickstart: Boot a board
 
+Get into the lab environment, switch directory:
+
+    $ cd /labs/linux-lab
+
 Issue the following command to boot the prebuilt kernel and rootfs on the default `vexpress-a9` board:
 
     $ make boot
diff --git a/README_zh.md b/README_zh.md
index 223529bb9201b63932e62d81edae054ae5526eb1..8b9a85919c5203d403ee240941529f58787f6d48 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -434,6 +434,10 @@ Linux Lab 是一套完备的嵌入式 Linux 开发环境，需要预留足够的
 
 ## 2.7 快速上手：启动一个开发板
 
+进入实验环境, 切换目录:
+
+    $ cd /labs/linux-lab
+
 输入如下命令，在缺省的 `vexpress-a9` 开发板上启动预置的内核和根文件系统：
 
     $ make boot