diff --git a/pyproject.toml b/pyproject.toml
index bbba969b0df35c20f26dcd7c323277ac5c1cf9b8..c872c41b992dbdc2d372b99962e0daec6aae095f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,9 +41,9 @@ test = ["pytest", "coverage==4.5.3", "pytest-cov"]
 doc = ["sphinx==5.0", "numpydoc", "sphinx_gallery", "matplotlib", "sphinx_rtd_theme"]
 
 [project.urls]
-Homepage = 'https://github.com/multi-learn/scikit-multimodallearn'
-Documentation  = 'https://multi-learn.github.io/scikit-multimodallearn/'
-Issues = '"https://github.com/multi-learn/scikit-multimodallearn/issues'
+"Sources" = "https://github.com/multi-learn/scikit-multimodallearn"
+Documentation  = "https://multi-learn.github.io/scikit-multimodallearn/"
+"Bug Tracker" = "https://github.com/multi-learn/scikit-multimodallearn/issues"
 
 [tool.setuptools.dynamic]
 dependencies = {file = ["requirements.txt"]}