diff --git a/experimental/algorithm/LAGraph_VertexCentrality_Triangle.c b/experimental/algorithm/LAGraph_VertexCentrality_Triangle.c
index 8160bfd505..af0448f181 100755
--- a/experimental/algorithm/LAGraph_VertexCentrality_Triangle.c
+++ b/experimental/algorithm/LAGraph_VertexCentrality_Triangle.c
@@ -24,8 +24,9 @@
 // (this could be modified); results are undefined if this condition doesn't
 // hold.
 
-// P. Burkhardt, "Triangle centrality," https://arxiv.org/pdf/2105.00110.pdf,
-// April 2021.
+// Paul Burkhardt. 2024. Triangle Centrality. ACM Trans. Knowl. Discov. Data
+// 18, 9, Article 217 (November 2024), 34 pages.
+// https://doi.org/10.1145/3685677
 
 // Method 3 is by far the fastest.