Update microsoft-spark-utilities.md

Author: RobinLin666

articles/synapse-analytics/spark/microsoft-spark-utilities.md

@@ -597,6 +597,9 @@ run(path: String, timeoutSeconds: int, arguments: Map): String -> This method ru
 
 ```
 
+> [!NOTE]
+> Notebook utilities are not applicable for Apache Spark job definitions(SJD).
+
 ### Reference a notebook
 Reference a notebook and returns its exit value. You can run nesting function calls in a notebook interactively or in a pipeline. The notebook being referenced will run on the Spark pool of which notebook calls this function.