diff --git a/book/art/tvu.bob b/book/art/tvu.bob
index 4f9231925..1cbb8417d 100644
--- a/book/art/tvu.bob
+++ b/book/art/tvu.bob
@@ -3,17 +3,17 @@
                                                   `--------`
                                                        ^
                                                        |
-                  .------------------------------------|---------------------------------------.
-                  |  TVU                               |                                       |
-                  |                                    |                                       |
-                  |  .-------.   .------------.   .----+---------.   .--------.   .---------.  |
- .------------.   |  | Blob  |   | Retransmit |   | Replicate    |   | Ledger |   | Storage |  |
- | Upstream   +----->| Fetch |-->| Stage      |-->| Stage        |-->| Write  |-->| Stage   |  |
- | Validators |   |  | Stage |   |            |   |              |   | Stage  |   |         |  |
- `------------`   |  `-------`   `----+-------`   `----+---------`   `--------`   `---------`  |
-                  |        ^          |                |                                       |
-                  |        |          |                |                                       |
-                  `--------|----------|----------------|---------------------------------------`
+                  .------------------------------------|---------------------------------.
+                  |  TVU                               |                                 |
+                  |                                    |                                 |
+                  |  .-------.   .------------.   .----+---.   .--------.   .---------.  |
+ .------------.   |  | Blob  |   | Retransmit |   | Replay |   | Ledger |   | Storage |  |
+ | Upstream   +----->| Fetch |-->| Stage      |-->| Stage  |-->| Write  |-->| Stage   |  |
+ | Validators |   |  | Stage |   |            |   |        |   | Stage  |   |         |  |
+ `------------`   |  `-------`   `----+-------`   `----+---`   `--------`   `---------`  |
+                  |        ^          |                |                                 |
+                  |        |          |                |                                 |
+                  `--------|----------|----------------|---------------------------------`
                            |          |                |
                            |          V                v
                           .+-----------.            .------.