diff --git a/CONTEXT.md b/CONTEXT.md
index b590fb90..d89804b3 100644
--- a/CONTEXT.md
+++ b/CONTEXT.md
@@ -41,7 +41,7 @@ The only admission path into a full Use Case: the PR names the entry it replaces
 _Avoid_: One-in-one-out (informal alias)
 
 **Challenger**:
-An entry (at most two per Use Case) that is not yet the Obvious Choice but is a credible successor to one. Its description must say so, and admission requires adoption-trajectory evidence, not popularity alone.
+An entry (at most two per Use Case) that is not yet the Obvious Choice but is a credible successor to one. Marked by ordering, not description: within a Use Case, Obvious Choices are listed first (alphabetically), then Challengers (alphabetically). Admission requires adoption-trajectory evidence, not popularity alone.
 _Avoid_: Rising Star (old lane name), Hidden Gem (old lane name — concept removed entirely)
 
 **Split**: