Update README.md

Author: ivaynberg

README.md

@@ -34,6 +34,7 @@ Integrations
 * [select2-rails](https://github.com/argerim/select2-rails) (Ruby on Rails)
 * [AngularUI](http://angular-ui.github.com/#directives-select2) ([AngularJS](angularjs.org))
 * [Django](https://github.com/applegrew/django-select2)
+* [Symfony](https://github.com/19Gerhard85/sfSelect2WidgetsPlugin)
 
 Bug tracker
 -----------
@@ -71,4 +72,4 @@ http://www.gnu.org/licenses/gpl-2.0.html
 Unless required by applicable law or agreed to in writing, software distributed under the Apache License 
 or the GPL Licesnse is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
 either express or implied. See the Apache License and the GPL License for the specific language governing 
-permissions and limitations under the Apache License and the GPL License.
+permissions and limitations under the Apache License and the GPL License.