docs: correct the usage of parsePhpCodeStringToAst method in README

README.md

@@ -54,7 +54,7 @@ import {
 const rootNodes: NodeTypeInheritingFromNodeAbstract[] =
   CliHelpers.parsePhpFileToAst('./hello.php');
 // or if you prefer to get AST from code string, just use
-// CliHelpers.parsePhpCodeStringToAst(`echo "Hello";`)
+// CliHelpers.parsePhpCodeStringToAst(`<?php echo "Hello";`)
 
 console.log(rootNodes);
 // [