1.x: fix Subscribers.create(onNext) javadoc as per #3669

Author: oguzbabaoglu

src/main/java/rx/observers/Subscribers.java

@@ -68,8 +68,8 @@ public void onNext(T t) {
 
     /**
      * Creates a {@link Subscriber} that receives the emissions of any {@code Observable} it subscribes to via
-     * {@link Subscriber#onNext onNext} but ignores {@link Subscriber#onError onError} and
-     * {@link Subscriber#onCompleted onCompleted} notifications.
+     * {@link Subscriber#onNext onNext} but ignores {@link Subscriber#onCompleted onCompleted} notifications;
+     * it will throw an {@link OnErrorNotImplementedException} if {@link Subscriber#onError onError} is invoked.
      *
      * @param onNext
      *          a function that handles each item emitted by an {@code Observable}