Description tweak.

README.md

 * [PHPLOC](https://github.com/sebastianbergmann/phploc) - A tool for quickly measuring the size of a PHP project.
 * [xHprof](https://github.com/phacility/xhprof) - Another profiling tool for PHP.
 * [PHPCheckstyle](https://github.com/jbrooksuk/phpcheckstyle) - A tool to help adhere to certain coding conventions.
-* [PhpDependencyAnalysis](https://github.com/mamuz/PhpDependencyAnalysis) - Analyzing tool to create dependency graph on customizable levels.
+* [PhpDependencyAnalysis](https://github.com/mamuz/PhpDependencyAnalysis) - A tool to create customisable dependency graphs.
 
 ## Debugging
 *Libraries and tools for debugging code.*