diff --git a/src/skills/grill/SKILL.md b/src/skills/grill/SKILL.md
index d5d6dba..8f76a23 100644
--- a/src/skills/grill/SKILL.md
+++ b/src/skills/grill/SKILL.md
@@ -7,17 +7,11 @@ Interview the user relentlessly until you reach a shared understanding. Map this
 
 Maintain the design tree in a new Markdown file. Use the file as the source of truth.
 
-Build the **frontier** before asking the first question.
-The frontier contains every unresolved decision with settled prerequisites.
+Build the complete **frontier** before the first question.
+After each answer, recompute and display every frontier decision.
 
-After each answer, update the design tree.
-Display every frontier decision.
-Mark the selected decision.
-
-Ask one selected decision each turn.
-A clarification keeps that decision open.
-Answer the clarification.
-Then ask the decision again.
+Ask one frontier decision per turn.
+A clarification leaves that decision open.
 
 Format a question like so: