diff --git a/src/TestSuite/EmailTrait.php b/src/TestSuite/EmailTrait.php
index bff4bf30fd5..9887f049171 100644
--- a/src/TestSuite/EmailTrait.php
+++ b/src/TestSuite/EmailTrait.php
@@ -81,7 +81,7 @@ public function assertNoMailSent($message = null)
      * Asserts an email at a specific index was sent to an address
      *
      * @param int $at Email index
-     * @param int $address Email address
+     * @param string $address Email address
      * @param string $message Message
      * @return void
      */
@@ -94,7 +94,7 @@ public function assertMailSentToAt($at, $address, $message = null)
      * Asserts an email at a specific index was sent from an address
      *
      * @param int $at Email index
-     * @param int $address Email address
+     * @param string $address Email address
      * @param string $message Message
      * @return void
      */
@@ -107,7 +107,7 @@ public function assertMailSentFromAt($at, $address, $message = null)
      * Asserts an email at a specific index contains expected contents
      *
      * @param int $at Email index
-     * @param int $contents Contents
+     * @param string $contents Contents
      * @param string $message Message
      * @return void
      */
@@ -120,7 +120,7 @@ public function assertMailContainsAt($at, $contents, $message = null)
      * Asserts an email at a specific index contains expected html contents
      *
      * @param int $at Email index
-     * @param int $contents Contents
+     * @param string $contents Contents
      * @param string $message Message
      * @return void
      */
@@ -133,7 +133,7 @@ public function assertMailContainsHtmlAt($at, $contents, $message = null)
      * Asserts an email at a specific index contains expected text contents
      *
      * @param int $at Email index
-     * @param int $contents Contents
+     * @param string $contents Contents
      * @param string $message Message
      * @return void
      */
@@ -146,8 +146,8 @@ public function assertMailContainsTextAt($at, $contents, $message = null)
      * Asserts an email at a specific index contains the expected value within an Email getter
      *
      * @param int $at Email index
-     * @param int $expected Contents
-     * @param int $parameter Email getter parameter (e.g. "cc", "subject")
+     * @param string $expected Contents
+     * @param string $parameter Email getter parameter (e.g. "cc", "subject")
      * @param string $message Message
      * @return void
      */
@@ -159,7 +159,7 @@ public function assertMailSentWithAt($at, $expected, $parameter, $message = null
     /**
      * Asserts an email was sent to an address
      *
-     * @param int $address Email address
+     * @param string $address Email address
      * @param string $message Message
      * @return void
      */
@@ -171,7 +171,7 @@ public function assertMailSentTo($address, $message = null)
     /**
      * Asserts an email was sent from an address
      *
-     * @param int $address Email address
+     * @param string $address Email address
      * @param string $message Message
      * @return void
      */
@@ -183,7 +183,7 @@ public function assertMailSentFrom($address, $message = null)
     /**
      * Asserts an email contains expected contents
      *
-     * @param int $contents Contents
+     * @param string $contents Contents
      * @param string $message Message
      * @return void
      */
@@ -195,7 +195,7 @@ public function assertMailContains($contents, $message = null)
     /**
      * Asserts an email contains expected html contents
      *
-     * @param int $contents Contents
+     * @param string $contents Contents
      * @param string $message Message
      * @return void
      */
@@ -219,8 +219,8 @@ public function assertMailContainsText($expectedText, $message = null)
     /**
      * Asserts an email contains the expected value within an Email getter
      *
-     * @param int $expected Contents
-     * @param int $parameter Email getter parameter (e.g. "cc", "subject")
+     * @param string $expected Contents
+     * @param string $parameter Email getter parameter (e.g. "cc", "subject")
      * @param string $message Message
      * @return void
      */