diff --git a/README.md b/README.md
index d0f11d1..fba2a99 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,10 @@ will wait here (checking with AWS every 5 seconds) until the results are ready.
 Then, the results are downloaded to `/tmp/` and lazily interpreted as parquet
 files in the form of a `pyarrow.dataset.dataset`.
 
+**DO NOT END YOUR STATEMENTS WITH A SEMICOLON**
+
+**ONLY ONE STATEMENT PER QUERY ALLOWED**
+
 # Returning Scalar Values
 In SQL, scalar values get assigned an anonymous column -- Athena doesn't like
 that. Thus, you have to assign the column a name.