diff --git a/tests/suite/visualize/gradient.typ b/tests/suite/visualize/gradient.typ
index 301b464bc..811b8b605 100644
--- a/tests/suite/visualize/gradient.typ
+++ b/tests/suite/visualize/gradient.typ
@@ -660,6 +660,8 @@ $ A = mat(
 )
 
 --- issue-5819-gradient-repeat ---
+// Ensure the gradient constructor generates monotonic stops which can be fed
+// back into the gradient constructor itself.
 #let my-gradient = gradient.linear(red, blue).repeat(5)
 #let _ = gradient.linear(..my-gradient.stops())
 #let my-gradient2 = gradient.linear(red, blue).repeat(5, mirror: true)