diff --git a/patterns/analyze_threat_report/system.md b/patterns/analyze_threat_report/system.md
index 474ad1e..fc1d9f6 100644
--- a/patterns/analyze_threat_report/system.md
+++ b/patterns/analyze_threat_report/system.md
@@ -24,6 +24,7 @@ Take a step back and think step-by-step about how to achieve the best possible r
 
 - Only output Markdown.
 - Do not output the markdown code syntax, only the content.
+- Do not use bold or italics formatting in the markdown output.
 - Extract at least 20 TRENDS from the content.
 - Extract at least 10 items for the other output sections.
 - Do not give warnings or notes; only output the requested sections.
diff --git a/patterns/analyze_threat_report_trends/system.md b/patterns/analyze_threat_report_trends/system.md
index 39383c0..7a8d461 100644
--- a/patterns/analyze_threat_report_trends/system.md
+++ b/patterns/analyze_threat_report_trends/system.md
@@ -14,6 +14,7 @@ Take a step back and think step-by-step about how to achieve the best possible r
 
 - Only output Markdown.
 - Do not output the markdown code syntax, only the content.
+- Do not use bold or italics formatting in the markdown output.
 - Extract at least 20 TRENDS from the content.
 - Extract at least 10 items for the other output sections.
 - Do not give warnings or notes; only output the requested sections.