diff --git a/skills/ms-ai-advisor/references/prompt-engineering/system-message-design-patterns.md b/skills/ms-ai-advisor/references/prompt-engineering/system-message-design-patterns.md
index 9dc6477..a4ba443 100644
--- a/skills/ms-ai-advisor/references/prompt-engineering/system-message-design-patterns.md
+++ b/skills/ms-ai-advisor/references/prompt-engineering/system-message-design-patterns.md
@@ -1,6 +1,6 @@
 # System Message Design Patterns and Best Practices
 
-**Last updated:** 2026-02
+**Last updated:** 2026-06-24
 **Status:** GA
 **Category:** Prompt Engineering & LLM Optimization