corrects name of interface in read me instructions

tiagomartinho · tiagomartinho · commit 2cb55cbecb8b · 2016-10-02T19:28:34.000+02:00
diff --git a/README.md b/README.md
@@ -81,7 +81,7 @@ Usage
 5. Provide the events for the `WeekView` in `WeekView.MonthChangeListener.onMonthChange()` callback. Please remember that the calendar pre-loads events of three consecutive months to enable lag-free scrolling.
 
     ```java
-    WeekView.MonthChangeListener mMonthChangeListener = new WeekView.MonthChangeListener() {
+    MonthLoader.MonthChangeListener mMonthChangeListener = new MonthLoader.MonthChangeListener() {
         @Override
         public List<WeekViewEvent> onMonthChange(int newYear, int newMonth) {
             // Populate the week view with some events.
