diff --git a/src/Monolog/ResettableInterface.php b/src/Monolog/ResettableInterface.php
index 081081f7..772c1d8e 100644
--- a/src/Monolog/ResettableInterface.php
+++ b/src/Monolog/ResettableInterface.php
@@ -27,5 +27,10 @@ namespace Monolog;
  */
 interface ResettableInterface
 {
+    /**
+     * Function that executes the resetting of a Processor
+     *
+     * @return void
+     */
     public function reset();
 }