Update console/input.rst

Co-authored-by: Matthieu Lempereur <matt.lempereur@gmail.com>

Author: lacatoire

console/input.rst

@@ -299,7 +299,7 @@ resolved at runtime::
                 $to->format('Y-m-d')
             ));
 
-            return 0;
+            return Command::SUCCESS;
         }
     }