diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -11,10 +11,11 @@ More on the theoretical background can be seen on [arXiv](https://arxiv.org/abs/
 - Check behavior by orbital indexing
 
 ## Developing
+- Add documentation to useful functions
 - Parallel or serial energy integral to reduce memory overhead
 - Check the symmetrization of the Hamiltonian and overlap matrix to make them hermitian
 - Check if exchange field has scalar part
-- Add more tests
+- Add more tests!!
 
 # Building wheel
 See detailed documentation on [PYPI](https://packaging.python.org/en/latest/tutorials/packaging-projects/).