diff --git a/README.md b/README.md
index 1694477..4ffe7b8 100644
--- a/README.md
+++ b/README.md
@@ -91,8 +91,8 @@ class LoadDataListener
      */
     public function loadData(CalendarEvent $calendarEvent)
     {
-    	 $startDate = $calendarEvent->getStartDatetime();
-   		 $endDate = $calendarEvent->getEndDatetime();
+    	 $startDate = $calendarEvent->getStart();
+   		 $endDate = $calendarEvent->getEnd();
 		 $filters = $calendarEvent->getFilters();
 	
     	 //You may want do a custom query to populate the events
@@ -135,7 +135,7 @@ Add javascript:
 Install assets
 
 ```bash
-$> php app/console assets:install web
+$> php bin/console assets:install web
 ```
 
 ### 6. Define routes by default <a id="routing"></a>
diff --git a/composer.json b/composer.json
index c15afb1..3e72b78 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     "require": {
         "php": ">=5.5.9",
 
-        "symfony/symfony": "3.1.*"
+        "symfony/symfony": "^3.1.0"
     },
     "require-dev": {
         "phpspec/phpspec": "^2.2"