diff --git a/pyproject.toml b/pyproject.toml
index b4958e1..8cb5f1d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,6 +53,7 @@ docs = [
 [project.urls]
 Source = "https://github.com/wagtail/Willow"
 Changelog = "https://github.com/wagtail/Willow/blob/main/CHANGELOG.txt"
+Documentation = "https://willow.wagtail.org/"
 
 
 [build-system]