diff --git a/.claude/skills/norwegian-legal-research/SKILL.md b/.claude/skills/norwegian-legal-research/SKILL.md
index c0ad2b5..d239e5f 100644
--- a/.claude/skills/norwegian-legal-research/SKILL.md
+++ b/.claude/skills/norwegian-legal-research/SKILL.md
@@ -9,7 +9,11 @@ description: Use when researching Norwegian legal questions, laws, regulations,
 
 Guide AI agents in conducting proper Norwegian legal research using Lovdata.no sources, providing accurate citations, and explaining legal concepts in appropriate Norwegian contexts.
 
+**CRITICAL INSTRUCTION:**
+**Do NOT rely on internal training data for Norwegian laws or regulations.** Norwegian law changes frequently. You MUST use the provided `lovdata-mcp` tools to retrieve the most up-to-date legal texts, amendments, and cross-references. Information from training data is likely outdated or incomplete.
+
 **Core principles:**
+- STRICTLY rely on Lovdata MCP tools; DO NOT use training data for legal texts
 - Always cite specific Lovdata URLs with amendment dates
 - Explain legal concepts in clear Norwegian
 - Distinguish between laws (lover) and regulations (forskrifter)