minor symfony#6984 Update deployment.rst (adyassine)

This PR was merged into the 3.1 branch.

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Update deployment.rst

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0c35a63 Update deployment.rst

Author: xabbuh

deployment.rst

@@ -118,7 +118,7 @@ Check if your server meets the requirements by running:
 
 .. code-block:: terminal
 
-    $ php app/check.php
+    $ php bin/symfony_requirements
 
 B) Configure your ``app/config/parameters.yml`` File
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