diff --git a/Php-unit-plugin.md b/Php-unit-plugin.md
index 05acdea..1613972 100644
--- a/Php-unit-plugin.md
+++ b/Php-unit-plugin.md
@@ -1,13 +1,18 @@
 Runs PHPUnit tests against your build.
+Has two modes:
 
-### Configuration Options:
-
-* **directory** - Optional - The directory (or array of dirs) to run PHPUnit on
+### With phpunit.xml configuration file
+Its activated if you have phpunit.xml file in your build path, `tests/` subfolder, or you specify it as a parameter:
 * **config** - Optional - Path to a PHP Unit XML configuration file.
 * **run_from** - Optional - When running PHPUnit with an XML config, the command is run from this directory
-* **path** - Optional - In cases where tests files are in a sub path of the /tests path, allows this path to be set in the config.
-* **args** - Optional - Command line args (in string format) to pass to PHP Unit
 * **coverage** - Optional - Value for the `--coverage-html` command line flag.
+* **path** - Optional - In cases where tests files are in a sub path of the /tests path, allows this path to be set in the config.
+
+### Running tests in directory by listing it.
+* **directory** - Optional - The directory (or array of dirs) to run PHPUnit on
+
+Both modes accept:
+* **args** - Optional - Command line args (in string format) to pass to PHP Unit
 
 ### Examples
 Specify config file and test directory: