Update README-en.md

README-en.md

@@ -76,13 +76,15 @@ Clone repo first:
 git clone https://github.com/crazywhalecc/static-php-cli.git
 ```
 
-If you have not installed php on your system, you can download single-file php binary and composer first.
+If you have not installed php on your system, you can use package management to install PHP (such as brew, apt, yum, apk etc.).
 
+And you can also download single-file php binary and composer using command `bin/setup-runtime`.
 The PHP runtime for static-php-cli itself will be downloaded at `bin/php`, and composer is at `bin/composer`.
 
 ```bash
 cd static-php-cli
 chmod +x bin/setup-runtime
+# It will download php-cli from self-hosted server and composer from getcomposer.org
 ./bin/setup-runtime
 
 # Use this php runtime to run static-php-cli compiler

README.md

@@ -71,9 +71,9 @@ If you are using English, see [English README](README-en.md).
 git clone https://github.com/crazywhalecc/static-php-cli.git
 ```
 
-如果你本机没有安装 PHP，你可以通过命令下载静态编译好的 php-cli 和 Composer。
+如果你本机没有安装 PHP，你需要先使用包管理（例如 brew、apt、yum、apk 等）安装 php。
 
-下载的 php 和 Composer 将保存为 `bin/php` 和 `bin/composer`。
+你也可以通过 `bin/setup-runtime` 命令下载静态编译好的 php-cli 和 Composer。下载的 php 和 Composer 将保存为 `bin/php` 和 `bin/composer`。
 
 ```bash
 cd static-php-cli