Fixes typo in sprite physics

packages/flutter_sprites/lib/physics_body.dart

diff --git a/packages/flutter_sprites/lib/physics_body.dart b/packages/flutter_sprites/lib/physics_body.dart
index e907b30..178b1ac 100644
--- a/packages/flutter_sprites/lib/physics_body.dart
+++ b/packages/flutter_sprites/lib/physics_body.dart
@@ -16,7 +16,7 @@
     Offset linearVelocity: Offset.zero,
     double angularVelocity: 0.0,
     this.linearDampening: 0.0,
-    double awakeangularDampening: 0.0,
+    double angularDampening: 0.0,
     bool allowSleep: true,
     bool awake: true,
     bool fixedRotation: false,