README clarify

leebyron · leebyron · commit 820a8a13fdcc · 2016-01-05T23:11:58.000-08:00
diff --git a/README.md b/README.md
@@ -9,11 +9,12 @@ and change detection techniques with simple logic. [Persistent][] data presents
 a mutative API which does not update the data in-place, but instead always
 yields new updated data.
 
-`Immutable` provides Persistent Immutable `List`, `Stack`, `Map`, `OrderedMap`,
-`Set`, `OrderedSet` and `Record`. They are highly efficient on modern JavaScript
-VMs by using structural sharing via [hash maps tries][] and
-[vector tries][] as popularized by Clojure and Scala,
-minimizing the need to copy or cache data.
+Immutable.js provides many Persistent Immutable data structures including:
+`List`, `Stack`, `Map`, `OrderedMap`, `Set`, `OrderedSet` and `Record`.
+
+These data structures are highly efficient on modern JavaScript VMs by using
+structural sharing via [hash maps tries][] and [vector tries][] as popularized
+by Clojure and Scala, minimizing the need to copy or cache data.
 
 `Immutable` also provides a lazy `Seq`, allowing efficient
 chaining of collection methods like `map` and `filter` without creating
