diff --git a/readme.md b/readme.md
index c889b8b..308c794 100644
--- a/readme.md
+++ b/readme.md
@@ -28,8 +28,11 @@ Bounce is released under the <b>zlib</b> license.
 
 #### Dynamics
 
+* Rigid bodies
+* Cloth
 * Contact, friction, restitution
 * Mouse, spring, sphere, cone, revolute joint types
+* Quaternion constraints
 * Joint motors, limits
 * Constraint graphs
 * Simulation islands and sleep management