diff --git a/README.md b/README.md
index e0313e0..8db61bd 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ df = pd.DataFrame({
 
 result = list(split_uniques(df, ["B"]))
 
-assert len(result) == 3
+assert len(result) == 2
 
 value, data = result[0]
 assert value == 3