diff --git a/README.rst b/README.rst
index 17bdab4d..8a4ad141 100644
--- a/README.rst
+++ b/README.rst
@@ -1,8 +1,12 @@
-|Black|_
+.. -*- mode: rst -*-
+
+|Black|_ |Codecov|_
 
 .. |Black| image:: https://img.shields.io/badge/code%20style-black-000000.svg
 .. _Black: https://github.com/psf/black
 
+.. |Codecov| image:: https://codecov.io/gh/brainets/hoi/graph/badge.svg?token=7PNM2VD994
+.. _Codecov: https://codecov.io/gh/brainets/hoi
 
 # Information theoretical analysis of multivariate time series for the inference of higher-order interdependencies
 
diff --git a/docs/index.rst b/docs/index.rst
index 527b56b0..cf90c1d4 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,7 +1,12 @@
-.. HOI documentation master file, created by
-   sphinx-quickstart on Sat Jul  8 09:12:38 2023.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
+.. -*- mode: rst -*-
+
+|Black|_ |Codecov|_
+
+.. |Black| image:: https://img.shields.io/badge/code%20style-black-000000.svg
+.. _Black: https://github.com/psf/black
+
+.. |Codecov| image:: https://codecov.io/gh/brainets/hoi/graph/badge.svg?token=7PNM2VD994
+.. _Codecov: https://codecov.io/gh/brainets/hoi
 
 HOI jax implementation
 ======================