Update README.md

Author: amitshekhariitbhu

README.md

@@ -102,7 +102,7 @@ RxJava1 -> RxJava2
 * [MergeExampleActivity](https://github.com/amitshekhariitbhu/RxJava2-Android-Samples/blob/master/app/src/main/java/com/rxjava2/android/samples/ui/operators/MergeExampleActivity.java) - Using `merge` Operator
 * [DeferExampleActivity](https://github.com/amitshekhariitbhu/RxJava2-Android-Samples/blob/master/app/src/main/java/com/rxjava2/android/samples/ui/operators/DeferExampleActivity.java) - Using `defer` Observable
 * [IntervalExampleActivity](https://github.com/amitshekhariitbhu/RxJava2-Android-Samples/blob/master/app/src/main/java/com/rxjava2/android/samples/ui/operators/IntervalExampleActivity.java) - Using `Interval`
-* [RxBusActivity](https://github.com/amitshekhariitbhu/RxJava2-Android-Samples/blob/master/app/src/main/java/com/rxjava2/android/samples/ui/rxbus/RxBusActivity.java) - RxBus, RxJava2Bus, EventBus, RxEventBus
+* [RxBusActivity](https://github.com/amitshekhariitbhu/RxJava2-Android-Samples/blob/master/app/src/main/java/com/rxjava2/android/samples/ui/rxbus/RxBusActivity.java) - RxBus, RxJava2Bus, EventBus, RxEventBus, [Blog for reference](https://blog.mindorks.com/implementing-eventbus-with-rxjava-rxbus-e6c940a94bd8)
 * [PaginationActivity](https://github.com/amitshekhariitbhu/RxJava2-Android-Samples/blob/master/app/src/main/java/com/rxjava2/android/samples/ui/pagination/PaginationActivity.java) - Pagination for loadMore in RecyclerView
 * [ComposeOperatorExampleActivity](https://github.com/amitshekhariitbhu/RxJava2-Android-Samples/blob/master/app/src/main/java/com/rxjava2/android/samples/ui/compose/ComposeOperatorExampleActivity.java) - Compose operator for reusable