diff --git a/src/ExponentialBackOffStrategy.php b/src/ExponentialBackOffStrategy.php
index c7652f3..0950054 100644
--- a/src/ExponentialBackOffStrategy.php
+++ b/src/ExponentialBackOffStrategy.php
@@ -22,6 +22,10 @@ class ExponentialBackOffStrategy implements BackOffStrategy
     private $sleeper;
     private Jitter $jitter;
 
+    /**
+     * @param $initialDelayMs Initial delay, in MICROseconds.
+     * @param $maxDelay Maximum delay, in microseconds.
+     */
     public function __construct(
         int $initialDelayMs,
         int $maxTries,