minor #6004 Fix for small typo (djoos)

This PR was merged into the 2.8 branch.

Discussion
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Fix for small typo

"$mySevice" => "$myService"

Thanks in advance for getting this merged in!

Kind regards,
David

Commits
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9e64dd4 Fix for small typo

book/forms.rst

@@ -1188,7 +1188,7 @@ type. Create a constructor to your form type to receive the service::
     {
         private $myService;
 
-        public function __construct(MyService $mySevice)
+        public function __construct(MyService $myService)
         {
             $this->myService = $myService;
         }