diff --git a/skills/engineering/grill-with-docs/SKILL.md b/skills/engineering/grill-with-docs/SKILL.md
index 6dad6ad..5ea0aa9 100644
--- a/skills/engineering/grill-with-docs/SKILL.md
+++ b/skills/engineering/grill-with-docs/SKILL.md
@@ -73,7 +73,7 @@ When the user states how something works, check whether the code agrees. If you
 
 When a term is resolved, update `CONTEXT.md` right there. Don't batch these up — capture them as they happen. Use the format in [CONTEXT-FORMAT.md](./CONTEXT-FORMAT.md).
 
-Don't couple `CONTEXT.md` to implementation details. Only include terms that are meaningful to domain experts.
+`CONTEXT.md` should be totally devoid of implementation details. Do not treat `CONTEXT.md` as a spec, a scratch pad, or a repository for implementation decisions. It is a glossary and nothing else.
 
 ### Offer ADRs sparingly