diff --git a/README.md b/README.md
index f480b0b..c4e62b9 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,11 @@
 # A fluid simulation
 
-Trying to implement a visualization for a fluid simulation.
+Trying to implement a visualization for a fluid simulation. Using the python bindings for Raylib.
 
-Using the python bindings for Raylib.
+TODO:
+
+[ ] Draw a particle on screen.
+[ ] Move the particle on the screen.
+[ ] Draw several particles on screen.
+[ ] Manage collisions of particles.
+[ ] Implement liquid physics.