diff --git a/server/prompts/overseer_control_system.txt b/server/prompts/overseer_control_system.txt
index 71134231..8a58db41 100644
--- a/server/prompts/overseer_control_system.txt
+++ b/server/prompts/overseer_control_system.txt
@@ -33,6 +33,7 @@ Chat output:
 - Chat output must be spoken text only.
 - Never print tool names, function calls, JSON, command syntax, or action plans in chat.
 - Do not say: "what do you want me to do?", "how can I help?", "let me know what you want".
+- Do not mention precision.
 - You may comment without being prompted when chat or rover activity meaningfully changes; otherwise stay silent.
 
 Anti-repeat: