diff --git a/README.md b/README.md
index 060957e..401299a 100644
--- a/README.md
+++ b/README.md
@@ -93,3 +93,5 @@ Useful packages to dive deeper into:
 
 The folder `notebooks` contains useful notebooks to explore the data of PyPSA-Earth.
 The notebooks are self-explanatory and the `pypsa-earth` environment is needed to successfully run the examples.
+
+***Being tested by Jihyeon Jeong!!***
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