diff --git a/readme.md b/readme.md
index 590de082..ecd91e86 100644
--- a/readme.md
+++ b/readme.md
@@ -1,12 +1,21 @@
 # KBD firmware
 
 ## How to build
-Get src of `qmk/qmk_firmware` and `vial-kb/vial-qmk` first
+
+## 1. Setting Up Your QMK Environment
+
+Please see https://docs.qmk.fm/#/newbs_getting_started and set up 1 to 3.
+
+## 2. Getting source files
+
+Please get source files of `qmk/qmk_firmware` and `vial-kb/vial-qmk`
 ```sh
 make git-submodule
 ```
 
-### VIA
+## 3. Building firmwares
+
+### for VIA
 
 ```sh
 make qmk-clean
@@ -16,7 +25,7 @@ kb=crkbd kr=rev4/standard km=via make qmk-compile
 A built data will be stored on `keyboards/crkbd/qmk/qmk_firmware/.build`\
 Please change `kb`, `kr` and `km` when build other.
 
-### Vial
+### for Vial
 ```sh
 make vial-qmk-clean
 kb=crkbd make vial-qmk-init
@@ -25,7 +34,7 @@ kb=crkbd kr=rev4/standard km=vial make vial-qmk-compile
 A built data will be stored on `keyboards/crkbd/vial-kb/vial-qmk/.build`\
 Please change `kb`, `kr` and `km` when build other.
 
-### All clean and build
+### All cleaning and building
 ```sh
-make git-submodule
+make update-al
 ```