diff --git a/tinybird/README.md b/tinybird/README.md
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--- a/tinybird/README.md
+++ b/tinybird/README.md
@@ -1,5 +1,7 @@
 # Disclaimer
 
+The test is done on Tinybird Free trial. 
+
 Benchmarking a database often requires deep expertise and fine-tuning. Here, our goal is merely to test the default experience of a new
 user, i.e. someone who does not invest the time to optimize performance.