diff --git a/src/EventLoopDriver.php b/src/EventLoopDriver.php
index c1fdf54..787a26a 100644
--- a/src/EventLoopDriver.php
+++ b/src/EventLoopDriver.php
@@ -31,17 +31,17 @@ interface EventLoopDriver
      * Delay the execution of a callback. The time delay is approximate and accuracy is not guaranteed.
      * 
      * @param callable $callback The callback to delay.
-     * @param float $time The amount of time, in seconds, to delay the execution for.
+     * @param int $delay The amount of time, in milliseconds, to delay the execution for.
      * 
      * @return string An identifier that can be used to cancel, enable or disable the event.
      */
-    public function delay(callable $callback, $time);
+    public function delay(callable $callback, $delay);
 
     /**
      * Repeatedly execute a callback. The interval between executions is approximate and accuracy is not guaranteed.
      * 
      * @param callable $callback The callback to repeat.
-     * @param float $interval The time interval, in seconds, to wait between executions.
+     * @param int $interval The time interval, in milliseconds, to wait between executions.
      * 
      * @return string An identifier that can be used to cancel, enable or disable the event.
      */