diff --git a/readme.md b/readme.md
index dac9521..d621d7b 100644
--- a/readme.md
+++ b/readme.md
@@ -8,7 +8,7 @@ Builds a PHP binary for use in a AWS Lambda
 ### Run
 
 ```bash
-sh ./build.sh 7.2.0
+sh ./buildphp.sh 7.2.0
 ```
 
 You can pass any version of PHP you want. 
@@ -21,4 +21,4 @@ I want a good foundation for running default laravel.
 This package has taken inspiration from the following
 - https://github.com/stechstudio/php-lambda
 - https://github.com/araines/serverless-php
-- https://github.com/ZeroSharp/serverless-php
\ No newline at end of file
+- https://github.com/ZeroSharp/serverless-php