minor #6987 Update input.rst (adyassine)

This PR was merged into the 3.1 branch.

Discussion
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Update input.rst

Commits
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8645262 Update input.rst

console/input.rst

@@ -54,10 +54,10 @@ The command can now be used in either of the following ways:
 
 .. code-block:: bash
 
-    $ php app/console app:greet Fabien
+    $ php bin/console app:greet Fabien
     Hi Fabien!
 
-    $ php app/console app:greet Fabien Potencier
+    $ php bin/console app:greet Fabien Potencier
     Hi Fabien Potencier!
 
 It is also possible to let an argument take a list of values (imagine you want
@@ -75,7 +75,7 @@ To use this, just specify as many names as you want:
 
 .. code-block:: bash
 
-    $ php app/console app:greet Fabien Ryan Bernhard
+    $ php bin/console app:greet Fabien Ryan Bernhard
 
 You can access the ``names`` argument as an array::
 
@@ -140,20 +140,20 @@ flag:
 .. code-block:: bash
 
     # no --iterations provided, the default (1) is used
-    $ php app/console app:greet Fabien
+    $ php bin/console app:greet Fabien
     Hi Fabien!
 
-    $ php app/console app:greet Fabien --iterations=5
+    $ php bin/console app:greet Fabien --iterations=5
     Hi Fabien
     Hi Fabien
     Hi Fabien
     Hi Fabien
     Hi Fabien
 
     # the order of options isn't important
-    $ php app/console app:greet Fabien --iterations=5 --yell
-    $ php app/console app:greet Fabien --yell --iterations=5
-    $ php app/console app:greet --yell --iterations=5 Fabien
+    $ php bin/console app:greet Fabien --iterations=5 --yell
+    $ php bin/console app:greet Fabien --yell --iterations=5
+    $ php bin/console app:greet --yell --iterations=5 Fabien
 
 .. tip::