[#7931] Minor changes

Author: wouterj

form/multiple_buttons.rst

@@ -31,12 +31,10 @@ querying if the "Save and add" button was clicked::
 
         return $this->redirectToRoute($nextAction);
     }
-    
-Or you can get the button's name by using the 
+
+Or you can get the button's name by using the
 :method:`Symfony\\Component\\Form\\Form::getClickedButton` method of the form::
-    
+
     if ($form->getClickedButton() && 'saveAndAdd' === $form->getClickedButton()->getName()) {
         // ...
     }
-    
-