diff --git a/README.rst b/README.rst
index 9fc74a3..178a09c 100644
--- a/README.rst
+++ b/README.rst
@@ -13,8 +13,8 @@ Spectrum Fundamentals
    :target: https://opensource.org/licenses/MIT
    :alt: License
 .. |Read the Docs| image:: https://img.shields.io/readthedocs/spectrum_fundamentals/latest.svg?label=Read%20the%20Docs
-   :target: https://spectrum_fundamentals.readthedocs.io/
-   :alt: Read the documentation at https://spectrum_fundamentals.readthedocs.io/
+   :target: https://spectrum-fundamentals.readthedocs.io/
+   :alt: Read the documentation at https://spectrum-fundamentals.readthedocs.io/
 .. |Build| image:: https://github.com/wilhelm-lab/spectrum_fundamentals/workflows/Build%20spectrum_fundamentals%20Package/badge.svg
    :target: https://github.com/wilhelm-lab/spectrum_fundamentals/actions?workflow=Package
    :alt: Build Package Status
diff --git a/ReadMe.md b/ReadMe.md
index d61773c..31d54ff 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -1,9 +1,9 @@
 [![PyPI](https://img.shields.io/pypi/v/spectrum_fundamentals.svg)](https://pypi.org/project/spectrum_fundamentals/)
 [![Python Version](https://img.shields.io/pypi/pyversions/spectrum_fundamentals)](https://pypi.org/project/spectrum_fundamentals)
 [![License](https://img.shields.io/github/license/wilhelm-lab/spectrum_fundamentals)](https://opensource.org/licenses/MIT)
-[![Read the Docs](https://img.shields.io/readthedocs/spectrum_fundamentals/latest.svg?label=Read%20the%20Docs)](https://spectrum_fundamentals.readthedocs.io/)
-[![Build](https://github.com/wilhelm-lab/spectrum_fundamentals/workflows/Build%20oktoberfest%20Package/badge.svg)](https://github.com/wilhelm-lab/spectrum_fundamentals/actions?workflow=Package)
-[![Tests](https://github.com/wilhelm-lab/spectrum_fundamentals/workflows/Run%20oktoberfest%20Tests/badge.svg)](https://github.com/wilhelm-lab/spectrum_fundamentals/actions?workflow=Tests)
+[![Read the Docs](https://img.shields.io/readthedocs/spectrum_fundamentals/latest.svg?label=Read%20the%20Docs)](https://spectrum-fundamentals.readthedocs.io/)
+[![Build](https://github.com/wilhelm-lab/spectrum_fundamentals/workflows/Build%20spectrum_fundamentals%20Package/badge.svg)](https://github.com/wilhelm-lab/spectrum_fundamentals/actions?workflow=Package)
+[![Tests](https://github.com/wilhelm-lab/spectrum_fundamentals/workflows/Run%20spectrum_fundamentals%20Tests/badge.svg)](https://github.com/wilhelm-lab/spectrum_fundamentals/actions?workflow=Tests)
 [![Codecov](https://codecov.io/gh/wilhelm-lab/spectrum_fundamentals/branch/main/graph/badge.svg)](https://codecov.io/gh/wilhelm-lab/spectrum_fundamentals)
 [![pre-commit](https://img.shields.io/badge/pre--commit-enabled-brightgreen?logo=pre-commit&logoColor=white)](https://github.com/pre-commit/pre-commit)
 [![Black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
@@ -21,7 +21,7 @@ It provides the following functionalities:
 
 ## Documentation
 
-The official documentation can be found at https://spectrum_fundamentals.readthedocs.io
+The official documentation can be found at https://spectrum-fundamentals.readthedocs.io
 
 ## How to cite
 
diff --git a/docs/contributing.rst b/docs/contributing.rst
index 8511c65..f63fb64 100644
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -14,7 +14,7 @@ Here is a list of important resources for contributors:
 
 .. _MIT license: https://opensource.org/licenses/MIT
 .. _Source Code: https://github.com/wilhelm-lab/spectrum_fundamentals
-.. _Documentation: https://spectrum_fundamentals.readthedocs.io/
+.. _Documentation: https://spectrum-fundamentals.readthedocs.io/
 .. _Issue Tracker: https://github.com/wilhelm-lab/spectrum_fundamentals/issues
 
 How to report a bug