diff --git a/README.md b/README.md
index e06867a..69c2102 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,7 @@
 Before you begin, ensure you have met the following requirements:
 
 - A modern Python installation
-- [sphinx](https://sphinx-doc.org/)
+- [sphinx](https://www.sphinx-doc.org/)
 
 ## Building the documentation