minor #13226 Fixed minor typo - override (mmoreram)

This PR was submitted for the 2.7 branch but it was merged into the 2.6 branch instead (closes #13226).

Discussion
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Fixed minor typo - override

Commits
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77c10e0 Fixed minor typo - override

src/Symfony/Component/DependencyInjection/ExpressionLanguage.php

@@ -25,7 +25,7 @@ class ExpressionLanguage extends BaseExpressionLanguage
 {
     public function __construct(ParserCacheInterface $cache = null, array $providers = array())
     {
-        // prepend the default provider to let users overide it easily
+        // prepend the default provider to let users override it easily
         array_unshift($providers, new ExpressionLanguageProvider());
 
         parent::__construct($cache, $providers);