diff --git a/docs/backend/trello-auth-spec.md b/docs/backend/001_trello_auth_spec.md
similarity index 99%
rename from docs/backend/trello-auth-spec.md
rename to docs/backend/001_trello_auth_spec.md
index 1818f2c..e222e53 100644
--- a/docs/backend/trello-auth-spec.md
+++ b/docs/backend/001_trello_auth_spec.md
@@ -3,6 +3,7 @@
 **Feature:** US: Authenticate and Connect to Trello Account
 **Issue:** #1
 **Branch:** `feature/trello-auth`
+**Doc:** 001
 
 ## Overview