Documentation

README.md

@@ -310,6 +310,7 @@ In this example, we create a pool of 32 goroutines that consume items concurrent
 * [Retry](http://reactivex.io/documentation/operators/retry.html) — if a source Observable sends an onError notification, resubscribe to it in the hopes that it will complete without error
 
 ### Observable Utility Operators
+* [Do](http://reactivex.io/documentation/operators/do.html) - register an action to take upon a variety of Observable lifecycle events
 * Run - create an Observer without consuming the emitted items
 * Send - send the Observable items in a specific channel 
 * ToMap/ToMapWithValueSelector - stores the Observable items in a map

iterable.go

@@ -1,6 +1,6 @@
 package rxgo
 
-// Iterable is the interface returning an iterable channel.
+// Iterable is the basic type that can be observed.
 type Iterable interface {
 	Observe() <-chan Item
 }