diff --git a/openhtmltopdf-examples/src/test/java/com/openhtmltopdf/visualregressiontests/VisualRegressionTest.java b/openhtmltopdf-examples/src/test/java/com/openhtmltopdf/visualregressiontests/VisualRegressionTest.java
index 4f585859d..38e3cbd29 100644
--- a/openhtmltopdf-examples/src/test/java/com/openhtmltopdf/visualregressiontests/VisualRegressionTest.java
+++ b/openhtmltopdf-examples/src/test/java/com/openhtmltopdf/visualregressiontests/VisualRegressionTest.java
@@ -1037,6 +1037,7 @@ public void testIssue309ClassCastExceptionOnFloatTd() throws IOException {
/**
* Tests various linear gradients.
+ * https://github.com/danfickle/openhtmltopdf/issues/439
*/
@Test
public void testIssue439LinearGradient() throws IOException {