Apply suggestions from code review

Co-authored-by: Juliette <663378+jrfnl@users.noreply.github.com>

Author: rodrigoprimo

src/Standards/Generic/Sniffs/PHP/SyntaxSniff.php

@@ -72,8 +72,9 @@ public function process(File $phpcsFile, $stackPtr)
 
 
     /**
-     * Returns the command used to lint PHP code. Uses a different command when the content is
-     * provided via STDIN.
+     * Returns the command used to lint PHP code.
+     *
+     * Uses a different command when the content is provided via STDIN.
      *
      * @param \PHP_CodeSniffer\Files\File $phpcsFile The File object.
      *

src/Standards/Generic/Tests/PHP/SyntaxUnitTest.php

@@ -64,8 +64,9 @@ public function getWarningList()
 
 
     /**
-     * Test the sniff checks syntax when file contents are passed via STDIN. Doesn't run on Windows
-     * as PHPCS currently doesn't support STDIN on this OS.
+     * Test the sniff checks syntax when file contents are passed via STDIN.
+     *
+     * Note: this test doesn't run on Windows as PHPCS currently doesn't support STDIN on this OS.
      *
      * @param string $content        The content to test.
      * @param int    $errorCount     The expected number of errors.
@@ -121,12 +122,12 @@ public function dataStdIn()
         }
 
         return [
-            'No syntax errors'                                                            => [
+            'No syntax errors'                                                                => [
                 '<?php $array = [1, 2, 3];',
                 0,
                 [],
             ],
-            'One syntax error'                                                            => [
+            'One syntax error'                                                                => [
                 '<?php $array = [1, 2, 3; // Missing closing bracket.',
                 1,
                 [
@@ -143,7 +144,7 @@ public function dataStdIn()
                     ],
                 ],
             ],
-            'Single error reported even when there is more than syntax error in the file' => [
+            'Single error reported even when there is more than one syntax error in the file' => [
                 '<?php $array = [1, 2, 3; // Missing closing bracket.
                 $anotherArray = [4, 5, 6; // Another missing closing bracket.',
                 1,