Update range comments

Author: zsxwing

language-adaptors/rxjava-scala/src/test/scala/rx/lang/scala/CompletenessTest.scala

@@ -150,8 +150,8 @@ class CompletenessTest extends JUnitSuite {
       "merge(Observable[_ <: Observable[_ <: T]])" -> "flatten(<:<[Observable[T], Observable[Observable[U]]])",
       "mergeDelayError(Observable[_ <: T], Observable[_ <: T])" -> "mergeDelayError(Observable[U])",
       "mergeDelayError(Observable[_ <: Observable[_ <: T]])" -> "flattenDelayError(<:<[Observable[T], Observable[Observable[U]]])",
-      "range(Int, Int)" -> "[use `(... until ...).toObservable`]",
-      "range(Int, Int, Scheduler)" -> "[use `from((... until ...), scheduler)`]",
+      "range(Int, Int)" -> "[use `(start until (start + count)).toObservable` instead of `range(start, count)`]",
+      "range(Int, Int, Scheduler)" -> "[use `(start until (start + count)).toObservable.subscribeOn(scheduler)` instead of `range(start, count, scheduler)`]`]",
       "sum(Observable[Integer])" -> "sum(Numeric[U])",
       "sumDoubles(Observable[Double])" -> "sum(Numeric[U])",
       "sumFloats(Observable[Float])" -> "sum(Numeric[U])",