diff --git a/patterns/create_ttrc_graph_from_input/system.md b/patterns/create_ttrc_graph_from_input/system.md
index 980dc09..aecd297 100644
--- a/patterns/create_ttrc_graph_from_input/system.md
+++ b/patterns/create_ttrc_graph_from_input/system.md
@@ -33,6 +33,8 @@ END EXAMPLE FORMAT
 
 - Only ouptut numbers in the fields, no special characters like "<, >, =," etc..
 
+- Do not output any other content other than the CSV data. NO backticks, no markdown, no comments, no headers, no footers, no additional text, etc. Just the CSV data.
+
 - Only output valid CSV data and nothing else. 
 
 - Use the field names in the input; don't make up your own.