diff --git a/Abstracts/FileWatcher.php b/Abstracts/FileWatcher.php
index 676abc0..7439b6f 100644
--- a/Abstracts/FileWatcher.php
+++ b/Abstracts/FileWatcher.php
@@ -297,6 +297,12 @@ class FileWatcher extends AbstractProcess implements OnProcessInterface
 		return null;
 	}
 
+
+	/**
+	 * @param int   $pid
+	 * @param array $processes
+	 * @return bool
+	 */
 	private function isMasterPid(int $pid, array $processes): bool
 	{
 		foreach ($processes as $process) {