diff --git a/transactions/0129.md b/transactions/0129.md
index 0868c20..b78e26c 100644
--- a/transactions/0129.md
+++ b/transactions/0129.md
@@ -143,7 +143,7 @@ the multicast address.
 
 ### Free Space and Specialty Transmission Domains
 
-Indices `0x1000`–`0xF7FF` (56,832 indices) are unassigned and reserved for
+Indices `0x1000`–`0xF7FF` (59,392 indices) are unassigned and reserved for
 future use. This range accommodates future expansion of the shard group space,
 as well as specialty transmission domains for purpose-specific multicast
 services that are not general-purpose transaction sharding. No current protocol