minor #4707 Fix typos (TysonAndre)

This PR was merged into the 2.15 branch.

Discussion
----------

Fix typos

Commits
-------

95599e4 Fix typos

Author: julienfalque

src/DocBlock/Tag.php

@@ -80,7 +80,7 @@ public function getName()
     /**
      * Set the tag name.
      *
-     * This will also be persisted to the upsteam line and annotation.
+     * This will also be persisted to the upstream line and annotation.
      *
      * @param string $name
      */

src/Event/Event.php

@@ -13,7 +13,7 @@
 namespace PhpCsFixer\Event;
 
 // Since PHP-CS-FIXER is PHP 5.6 compliant we can't always use Symfony Contracts (currently needs PHP ^7.1.3)
-// This conditionnal inheritance will be useless when PHP-CS-FIXER no longer supports PHP versions
+// This conditional inheritance will be useless when PHP-CS-FIXER no longer supports PHP versions
 // inferior to Symfony/Contracts PHP minimal version
 if (class_exists(\Symfony\Contracts\EventDispatcher\Event::class)) {
     class Event extends \Symfony\Contracts\EventDispatcher\Event

src/Fixer/PhpUnit/PhpUnitMethodCasingFixer.php

@@ -238,7 +238,7 @@ private function updateDocBlock(Tokens $tokens, $docBlockIndex)
         $doc = new DocBlock($tokens[$docBlockIndex]->getContent());
         $lines = $doc->getLines();
 
-        $docBlockNeesUpdate = false;
+        $docBlockNeedsUpdate = false;
         for ($inc = 0; $inc < \count($lines); ++$inc) {
             $lineContent = $lines[$inc]->getContent();
             if (false === strpos($lineContent, '@depends')) {
@@ -256,11 +256,11 @@ private function updateDocBlock(Tokens $tokens, $docBlockIndex)
 
             if ($newLineContent !== $lineContent) {
                 $lines[$inc] = new Line($newLineContent);
-                $docBlockNeesUpdate = true;
+                $docBlockNeedsUpdate = true;
             }
         }
 
-        if ($docBlockNeesUpdate) {
+        if ($docBlockNeedsUpdate) {
             $lines = implode('', $lines);
             $tokens[$docBlockIndex] = new Token([T_DOC_COMMENT, $lines]);
         }

src/Fixer/StringNotation/ExplicitStringVariableFixer.php

@@ -44,7 +44,7 @@ public function getDefinition()
                 ."\n".'- When there are two valid ways of doing the same thing, using both is confusing, there should be a coding standard to follow'
                 ."\n".'- PHP manual marks `"$var"` syntax as implicit and `"${var}"` syntax as explicit: explicit code should always be preferred'
                 ."\n".'- Explicit syntax allows word concatenation inside strings, e.g. `"${var}IsAVar"`, implicit doesn\'t'
-                ."\n".'- Explicit syntax is easier to detect for IDE/editors and therefore has colors/hightlight with higher contrast, which is easier to read'
+                ."\n".'- Explicit syntax is easier to detect for IDE/editors and therefore has colors/highlight with higher contrast, which is easier to read'
             ."\n".'Backtick operator is skipped because it is harder to handle; you can use `backtick_to_shell_exec` fixer to normalize backticks to strings'
         );
     }