diff --git a/docs/api_reference.rst b/docs/api_reference.rst
index 1e11c758e4..d86f2660b7 100644
--- a/docs/api_reference.rst
+++ b/docs/api_reference.rst
@@ -715,11 +715,9 @@ The `CSS Custom Properties for Cascading Variables Module Level 1`_ "introduces
 cascading variables as a new primitive value type that is accepted by all CSS
 properties, and custom properties for defining them."
 
-The custom properties are supported. The ``var()`` notation is `only supported
-in single-value properties`_.
+The custom properties and the ``var()`` notation are supported.
 
 .. _CSS Custom Properties for Cascading Variables Module Level 1: https://www.w3.org/TR/css-variables/
-.. _only supported in single-value properties: https://github.com/Kozea/WeasyPrint/issues/1219
 
 CSS Text Decoration Module Level 3
 ++++++++++++++++++++++++++++++++++