diff --git a/weave/flow/scorer/ragas.py b/weave/flow/scorer/ragas.py
index 5bbc448b903..c849ae73c6c 100644
--- a/weave/flow/scorer/ragas.py
+++ b/weave/flow/scorer/ragas.py
@@ -1,3 +1,5 @@
+# implememting metrics from ragas: https://github.com/explodinggradients/ragas
+
 from typing import Any, List
 
 from weave.flow.scorer.lightllm import LLMFactory