tweaks to readme and changelog
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a29a9b..2f7400b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.2.2
+
+* Bumped up minimum SDK to 1.7.0.
+
 ## 0.2.1
 
 * Removed `Uri` format checks now that the core libraries is more strict. 
diff --git a/README.md b/README.md
index e5321d9..6d261fa 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 
 
 ### Example
-```
+```dart
 import 'package:shelf/shelf_io.dart' as io;
 import 'package:shelf_static/shelf_static.dart';