Update README.md

Author: myaaghubi

README.md

@@ -49,8 +49,8 @@ If you want to benchmark PHP extension frameworks like Phalcon, you need to inst
 1- Install source code as <http://localhost/php-frameworks-bench/>:
 
 ```
+# you can use --branch vx.x
 $ git clone https://github.com/myaghobi/php-frameworks-bench.git
-# or use git clone https://github.com/myaghobi/php-frameworks-bench.git --branch vx.x
 $ cd php-frameworks-bench
 $ bash setup.sh
 ```
@@ -191,4 +191,4 @@ Note: This project is based on
 
 You are allowed to use this plugin under the terms of the GNU General Public License version 2.
 
-Copyright (C) 2022 Mohammad Yaghobi
+Copyright (C) 2022 Mohammad Yaghobi