[animations] Updated open_container.dart documentation.  (#499)

diff --git a/packages/animations/CHANGELOG.md b/packages/animations/CHANGELOG.md
index 9051a7b..21ccdb7 100644
--- a/packages/animations/CHANGELOG.md
+++ b/packages/animations/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2.0.2
+* Fixed documentation for `OpenContainer` class; replaced `openBuilder` with `closedBuilder`. 
+
 ## 2.0.1
 * Add links to the spec and codelab.
 
diff --git a/packages/animations/lib/src/open_container.dart b/packages/animations/lib/src/open_container.dart
index 24523ec..e2eb5a4 100644
--- a/packages/animations/lib/src/open_container.dart
+++ b/packages/animations/lib/src/open_container.dart
@@ -57,7 +57,7 @@
 /// container is closed again via the callback provided to [openBuilder] or via
 /// Android's back button, the animation is reversed: The container shrinks back
 /// to its original size while the widget returned by [openBuilder] is faded out
-/// and the widget returned by [openBuilder] is faded back in.
+/// and the widget returned by [closedBuilder] is faded back in.
 ///
 /// By default, the container is in the closed state. During the transition from
 /// closed to open and vice versa the widgets returned by the [openBuilder] and
diff --git a/packages/animations/pubspec.yaml b/packages/animations/pubspec.yaml
index 839609f..4f5b80a 100644
--- a/packages/animations/pubspec.yaml
+++ b/packages/animations/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Fancy pre-built animations that can easily be integrated into any Flutter application.
 repository: https://github.com/flutter/packages/tree/master/packages/animations
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+animations%22
-version: 2.0.1
+version: 2.0.2
 
 environment:
   sdk: '>=2.12.0 <3.0.0'