prepare for 0.5.3+2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d7cc4f..7df4643 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.5.3+2
+
+* Resolved a strong-mode error.
+
 ## 0.5.3+1
 
 * Performance: Avoid excessive cloning in merge.
diff --git a/pubspec.yaml b/pubspec.yaml
index cdf025c..782f361 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: protobuf
-version: 0.5.3+1
+version: 0.5.3+2
 author: Dart Team <misc@dartlang.org>
-description: Runtime library for protobuf support.
+description: Runtime library for protocol buffers support.
 homepage: https://github.com/dart-lang/protobuf
 environment:
   sdk: '>=1.13.0 <2.0.0'