combined groups

README.md

@@ -841,16 +841,12 @@ Libraries to help manage database schemas and migrations.
 * [Takeout](https://github.com/tighten/takeout) - A Docker-based development-only dependency manager.
 * [Vagrant](https://www.vagrantup.com/) - A portable development environment utility.
 
-### Virtual Machines
-*Alternative PHP virtual machines.*
+### Virtual Machines and Compilers
+*Alternative PHP virtual machines and compilers to translate PHP into other programming languages.*
 
 * [Hack](https://hacklang.org/) - A programming language for HHVM.
 * [HHVM](https://github.com/facebook/hhvm) - A Virtual Machine, Runtime and JIT for PHP by Facebook.
 * [PeachPie](https://github.com/peachpiecompiler/peachpie) - PHP compiler and runtime for .NET and .NET Core.
-
-### Compilers
-*Compilers to translate PHP into other programming languages.*
-
 * [KPHP](https://github.com/VKCOM/kphp) - A compiler that translates PHP to C++.
 
 ### Text Editors and IDEs