diff --git a/ai_answers.py b/ai_answers.py
index b91ff5b..472d813 100644
--- a/ai_answers.py
+++ b/ai_answers.py
@@ -749,10 +749,11 @@ class SXNGPlugin(Plugin):
 
             CORE_RULES = [
                 "Answer the question directly using the provided context.",
-                f"High density: Expert-briefing level.  Aim for ~{target_words} words.",
                 "MUST CITE SOURCES by tailing a sentence with [n] or [n,n] etc. If citing general knowledge, use [*].",
                 "Do not use filler words, transitions, or meta-commentary.",
                 "Never explain your process. The user expects a direct response.",
+                "Response format must be plain text with no markdown."
+                f"High density: Expert-briefing level. Target response length: ~{target_words} words.",
                 "If sources and general knowledge are insufficient, respond with 'Insufficient information to answer.'"
             ]