Update README.md

Author: dbfx

README.md

@@ -1,12 +1,14 @@
-# GitHub Action for PHP syntax check
+# PHP Lint GitHub Action
 
-This actions runs `php -l` on all PHP files found in the current project. It allows you to easily and quickly check for 
+This Github Action runs `php -l` on all PHP files found in the current project. It allows you to easily and quickly check for 
 any syntax / parse errors in your PHP files on pull requests or pushes. This is especially useful for code that is 
 meant to run on multiple PHP versions.  
 
+---
+
 ## Getting Started
 
-Using this action can be done with this template:
+Using this action can be done with the following template:
 
 ```
 steps:
@@ -28,6 +30,8 @@ steps:
       folder-to-exclude: "! -path \"./vendor/*\" ! -path \"./folder/excluded/*\""
 ```
 
+---
+
 ## Brand New Setup
 
 If you have never used github actions, then create a file called phplint.yml in your Git repository in the directory 
@@ -67,6 +71,19 @@ In the above example, your workflow will run the PHP syntax check with PHP 5.6,
 
 ---
 
+## Supported versions
+
+Right now there is support for the following PHP versions: 
+ - 5.5
+ - 5.6
+ - 7.2
+ - 7.3
+ - 7.4
+ 
+ If you would like to add more submit a PR or an issue. 
+ 
+ ---
+
 ## Ignoring paths
 
 You can see in the above examples it ignores certain paths. You may add as many as you need by copying the example.