minor #11542 Fix small typo in mime doc example (King2500)

This PR was merged into the master branch.

Discussion
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Fix small typo in mime doc example

I think it's a typo here and it should be `$templateLoader`.
*see changes*

Commits
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9590a37 Fix small typo in mime doc example

Author: OskarStark

components/mime.rst

@@ -398,7 +398,7 @@ simplify things later::
     // ...
 
     $templateLoader = new FilesystemLoader(__DIR__.'/templates');
-    $templatedLoader->addPath(__DIR__.'/images', 'images');
+    $templateLoader->addPath(__DIR__.'/images', 'images');
     $twig = new Environment($templateLoader);
 
 Now, use the special ``email.image()`` Twig helper to embed the images inside