Update with feedback from GH

Author: mpdude

configuration/environment_variables.rst

@@ -447,7 +447,7 @@ Symfony provides the following env var processors:
 
 ``env(require:FOO)``
     ``require()`` the PHP file whose path is the value of the ``FOO``
-    env var and return the value ``return``ed from it.
+    env var and return the value returned from it.
 
     .. configuration-block::