diff --git a/test/PHPMailer/MimeTypesTest.php b/test/PHPMailer/MimeTypesTest.php
index 8a8d794b..389ed6f0 100644
--- a/test/PHPMailer/MimeTypesTest.php
+++ b/test/PHPMailer/MimeTypesTest.php
@@ -29,7 +29,7 @@ final class MimeTypesTest extends TestCase
      * @dataProvider dataMime_Types
      *
      * @param string $input     Input text string.
-     * @param string $expected  Expected funtion output.
+     * @param string $expected  Expected function output.
      */
     public function testMime_Types($input, $expected)
     {
diff --git a/test/PHPMailer/NormalizeBreaksTest.php b/test/PHPMailer/NormalizeBreaksTest.php
index d3e1f955..07b17df6 100644
--- a/test/PHPMailer/NormalizeBreaksTest.php
+++ b/test/PHPMailer/NormalizeBreaksTest.php
@@ -30,7 +30,7 @@ final class NormalizeBreaksTest extends TestCase
      * @dataProvider dataNormalizeBreaks
      *
      * @param string $input     Input text string.
-     * @param string $expected  Expected funtion output.
+     * @param string $expected  Expected function output.
      * @param string $breaktype Optional. What kind of line break to use.
      */
     public function testNormalizeBreaks($input, $expected, $breaktype = null)
@@ -46,8 +46,8 @@ final class NormalizeBreaksTest extends TestCase
      */
     public function dataNormalizeBreaks()
     {
-        $LE           = PHPMailer::getLE();
-        $baseExpected = 'hello' . PHPMailer::CRLF . 'World' . PHPMailer::CRLF . 'Again' . PHPMailer::CRLF;
+        $LE = PHPMailer::getLE();
+        $baseExpected = 'hello'.PHPMailer::CRLF.'World'.PHPMailer::CRLF.'Again'.PHPMailer::CRLF;
 
         return [
             'Text without line breaks' => [
@@ -93,7 +93,7 @@ final class NormalizeBreaksTest extends TestCase
      */
     public function testNormalizeBreaksWithCustomLineEnding()
     {
-        $input    = "hello\rWorld\rAgain\r";
+        $input = "hello\rWorld\rAgain\r";
         $expected = "hello\n\rWorld\n\rAgain\n\r";
 
         $origLE = PHPMailer::getLE();
diff --git a/test/PHPMailer/PunyencodeAddressTest.php b/test/PHPMailer/PunyencodeAddressTest.php
index d45c8e25..daa10ca7 100644
--- a/test/PHPMailer/PunyencodeAddressTest.php
+++ b/test/PHPMailer/PunyencodeAddressTest.php
@@ -33,7 +33,7 @@ final class PunyencodeAddressTest extends TestCase
      *
      * @param string $input    Input text string.
      * @param string $charset  The character set.
-     * @param string $expected Expected funtion output.
+     * @param string $expected Expected function output.
      */
     public function testPunyencodeAddressConversion($input, $charset, $expected)
     {
@@ -87,7 +87,7 @@ final class PunyencodeAddressTest extends TestCase
      *
      * @param string $input    Input text string.
      * @param string $charset  The character set.
-     * @param string $expected Expected funtion output.
+     * @param string $expected Expected function output.
      */
     public function testPunyencodeAddressNoConversion($input, $charset, $expected)
     {
diff --git a/test/PHPMailer/QuotedStringTest.php b/test/PHPMailer/QuotedStringTest.php
index 7a6d0ba5..52ad3376 100644
--- a/test/PHPMailer/QuotedStringTest.php
+++ b/test/PHPMailer/QuotedStringTest.php
@@ -29,7 +29,7 @@ final class QuotedStringTest extends TestCase
      * @dataProvider dataQuotedString
      *
      * @param string $input     Input text string.
-     * @param string $expected  Expected funtion output.
+     * @param string $expected  Expected function output.
      */
     public function testQuotedString($input, $expected)
     {
diff --git a/test/PHPMailer/ReplyToGetSetClearTest.php b/test/PHPMailer/ReplyToGetSetClearTest.php
index 4a067203..c690bff5 100644
--- a/test/PHPMailer/ReplyToGetSetClearTest.php
+++ b/test/PHPMailer/ReplyToGetSetClearTest.php
@@ -400,7 +400,7 @@ final class ReplyToGetSetClearTest extends PreSendTestCase
     }
 
     /**
-     * Test unsuccesfully adding an Reply-to address when an email address containing
+     * Test unsuccessfully adding an Reply-to address when an email address containing
      * an 8bit character is passed and either the MbString or the Intl extension are
      * not available.
      *
diff --git a/test/PHPMailer/SetFromTest.php b/test/PHPMailer/SetFromTest.php
index 41800e7e..12d4ba1c 100644
--- a/test/PHPMailer/SetFromTest.php
+++ b/test/PHPMailer/SetFromTest.php
@@ -25,11 +25,11 @@ use PHPMailer\Test\TestCase;
 final class SetFromTest extends TestCase
 {
     /**
-     * Test succesfully setting the From, FromName and Sender properties.
+     * Test successfully setting the From, FromName and Sender properties.
      *
      * @dataProvider dataSetFromSuccess
      *
-     * @param string $expected Expected funtion output.
+     * @param string $expected Expected function output.
      * @param string $address  Email address input to pass to the function.
      * @param string $name     Optional. Name input to pass to the function.
      */
@@ -126,7 +126,7 @@ final class SetFromTest extends TestCase
     }
 
     /**
-     * Test unsuccesfully setting the From, FromName and Sender properties.
+     * Test unsuccessfully setting the From, FromName and Sender properties.
      *
      * @dataProvider dataSetFromFail
      *
@@ -187,7 +187,7 @@ final class SetFromTest extends TestCase
     }
 
     /**
-     * Test unsuccesfully setting the From, FromName and Sender properties when an email address
+     * Test unsuccessfully setting the From, FromName and Sender properties when an email address
      * containing an 8bit character is passed and either the MbString or the Intl extension are
      * not available.
      */
diff --git a/test/PHPMailer/WrapTextTest.php b/test/PHPMailer/WrapTextTest.php
index 43bd0dfe..aba35187 100644
--- a/test/PHPMailer/WrapTextTest.php
+++ b/test/PHPMailer/WrapTextTest.php
@@ -29,7 +29,7 @@ final class WrapTextTest extends TestCase
      * @dataProvider dataWrapText
      *
      * @param string $message  Input text string.
-     * @param string $expected Expected funtion output.
+     * @param string $expected Expected function output.
      * @param bool   $qp_mode  Optional. Whether to run in Quoted-Printable mode. Defaults to `false`.
      * @param int    $length   Optional. Length to wrap at. Defaults to `50`.
      */