diff --git a/lib/RequestTelemetry.php b/lib/RequestTelemetry.php
index 5ddbb0561..f677a7f76 100644
--- a/lib/RequestTelemetry.php
+++ b/lib/RequestTelemetry.php
@@ -13,6 +13,12 @@ class RequestTelemetry
     public $requestId;
     public $requestDuration;
 
+    /**
+     * Initialize a new telemetry object.
+     *
+     * @param string $requestId The request's request ID.
+     * @param int $requestDuration The request's duration in milliseconds.
+     */
     public function __construct($requestId, $requestDuration)
     {
         $this->requestId = $requestId;
diff --git a/lib/Util/Util.php b/lib/Util/Util.php
index b9804c20d..542fce1f9 100644
--- a/lib/Util/Util.php
+++ b/lib/Util/Util.php
@@ -337,10 +337,10 @@ public static function normalizeId($id)
     /**
      * Returns UNIX timestamp in milliseconds
      *
-     * @return float current time in millis
+     * @return integer current time in millis
      */
     public static function currentTimeMillis()
     {
-        return round(microtime(true) * 1000);
+        return (int) round(microtime(true) * 1000);
     }
 }