diff --git a/README.md b/README.md
index 8d377ce..181fe9a 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
  **If you want a simple download**, click on the "Releases" tab above.
  
+(There's also a version on the [ORNL DAAC](https://doi.org/10.3334/ORNLDAAC/1235).)
+
  srdb
 ====