diff --git a/src/Writer/Entry.php b/src/Writer/Entry.php
index 1df24456..ea62bddf 100644
--- a/src/Writer/Entry.php
+++ b/src/Writer/Entry.php
@@ -177,7 +177,7 @@ public function setContent($content)
     /**
      * Set the feed creation date
      *
-     * @param string|null|DateTime $date
+     * @param null|integer|DateTime $date
      * @throws Exception\InvalidArgumentException
      * @return Entry
      */
@@ -198,7 +198,7 @@ public function setDateCreated($date = null)
     /**
      * Set the feed modification date
      *
-     * @param string|null|DateTime $date
+     * @param null|integer|DateTime $date
      * @throws Exception\InvalidArgumentException
      * @return Entry
      */