diff --git a/docs/backend/manage-lists-spec.md b/docs/backend/003_manage_lists_spec.md
similarity index 99%
rename from docs/backend/manage-lists-spec.md
rename to docs/backend/003_manage_lists_spec.md
index a1d2f1e..823150c 100644
--- a/docs/backend/manage-lists-spec.md
+++ b/docs/backend/003_manage_lists_spec.md
@@ -3,6 +3,7 @@
 **Feature:** US: Manage Trello Lists
 **Issue:** #3
 **Branch:** `feature/manage-lists`
+**Doc:** 003
 
 ## Overview