diff --git a/DOCUMENT-INDEX.md b/DOCUMENT-INDEX.md
index 6768caa..90482a4 100644
--- a/DOCUMENT-INDEX.md
+++ b/DOCUMENT-INDEX.md
@@ -86,6 +86,7 @@ root/
 | `infrastructure-manifest.md` | Infrastructure manifest (IPs, ports, UUIDs) |
 | `git-access-plan.md` | Gitea API access plan (implemented) |
 | `workflow-guide.md` | Collaboration protocol (micro-blocks, checkpoints) |
+| `revision-control-standard.md` | FFG-STD-001 — Document versioning, IDs, and revision tracking standard |
 | `session-handoff-template.md` | Template for creating session handoffs (Claude's checklist) |
 
 ---