diff --git a/types/d3-array/index.d.ts b/types/d3-array/index.d.ts
index bc271ccffd..083fa77940 100644
--- a/types/d3-array/index.d.ts
+++ b/types/d3-array/index.d.ts
@@ -1,5 +1,5 @@
 // Type definitions for D3JS d3-array module 2.0
-// Project: https://github.com/d3/d3-array
+// Project: https://github.com/d3/d3-array, https://d3js.org/d3-array
 // Definitions by: Alex Ford <https://github.com/gustavderdrache>
 //                 Boris Yankov <https://github.com/borisyankov>
 //                 Tom Wanzek <https://github.com/tomwanzek>