diff --git a/htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php b/htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php
index d6e939a9964..ebf9e2bfbd2 100644
--- a/htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php
+++ b/htdocs/debugbar/class/DataCollector/DolRequestDataCollector.php
@@ -8,6 +8,11 @@ use \DebugBar\DataCollector\RequestDataCollector;
 
 class DolRequestDataCollector extends RequestDataCollector
 {
+	/**
+	 * Collects the data from the collectors
+	 *
+	 * @return array
+	 */
 	public function collect()
 	{
 		$vars = array('_GET', '_POST', '_SESSION', '_COOKIE', '_SERVER');