diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 7e545d8..db87dd0 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -297,6 +297,8 @@ Commit intent: `Enable D&D storage and publishing`
 
 ## Stage 2: Prepare the Collection Credential Fixture
 
+Completion: complete (`cf3de016ee09edf91afc3bc1addfd926d4a172ad`)
+
 ### Objective
 
 Make the collection's artifact-level fixture compatible with the forthcoming