Fix a State RFC rendering issue
@@ -600,7 +600,7 @@ We use the following Sled trees:
| `hash_by_height` | `BE32(height)` | `block::Hash` |
| `height_by_hash` | `block::Hash` | `BE32(height)` |
| `block_by_height` | `BE32(height)` | `Block` |
-| `tx_by_hash` | `transaction::Hash` | `BE32(height) || BE32(tx_index)` |
+| `tx_by_hash` | `transaction::Hash` | `(BE32(height), BE32(tx_index))` |
| `utxo_by_outpoint` | `OutPoint` | `TransparentOutput` |
| `sprout_nullifiers` | `sprout::Nullifier` | `()` |
| `sapling_nullifiers` | `sapling::Nullifier` | `()` |
