minor #9425 Fix typo (liviubalan)

This PR was merged into the 3.4 branch.

Discussion
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Fix typo

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Commits
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9c2223b Fix typo

Author: javiereguiluz

service_container/shared.rst

@@ -37,5 +37,5 @@ in your service definition:
         $container->register(SomeNonSharedService::class)
             ->setShared(false);
 
-Now, whenever you request an the ``AppBundle\SomeNonSharedService`` from the container,
+Now, whenever you request the ``AppBundle\SomeNonSharedService`` from the container,
 you will be passed a new instance.