[BrowserKit] Fix submitForm behaviour

Author: JorickPepin

components/browser_kit.rst

@@ -147,7 +147,7 @@ field values, etc.) before submitting it::
     $crawler = $client->request('GET', 'https://github.com/login');
 
     // find the form with the 'Log in' button and submit it
-    // 'Log in' can be the text content, id, value or name of a <button> or <input type="submit">
+    // 'Log in' can be the text content, id or name of a <button> or <input type="submit">
     $client->submitForm('Log in');
 
     // the second optional argument lets you override the default form field values

testing.rst

@@ -875,8 +875,8 @@ Use the ``submitForm()`` method to submit the form that contains the given butto
         'comment_form[content]' => '...',
     ]);
 
-The first argument of ``submitForm()`` is the text content, ``id``, ``value`` or
-``name`` of any ``<button>`` or ``<input type="submit">`` included in the form.
+The first argument of ``submitForm()`` is the text content, ``id`` or ``name``
+of any ``<button>`` or ``<input type="submit">`` included in the form.
 The second optional argument is used to override the default form field values.
 
 .. note::