ARC corrections

Author: sirdeggen

docs/specs/arc-broadcast.md

@@ -11,7 +11,7 @@ tags: ["spec", "broadcast", "arc"]
 
 # ARC Broadcast API
 
-> ARC (Authoritative Registration Centre) is the miner-facing transaction broadcast service. Clients submit raw transactions or batches to ARC nodes, receive structured responses with transaction status codes, and can optionally register callbacks for Merkle proof delivery when transactions confirm.
+> ARC (Authoritative Response Component) is the miner-facing transaction broadcast service. Clients submit raw transactions or batches to ARC nodes, receive structured responses with transaction status codes, and can optionally register callbacks for Merkle proof delivery when transactions confirm.
 
 ## At a glance
 

specs/broadcast/arc.yaml

@@ -3,7 +3,7 @@ info:
   title: ARC Broadcast API
   version: "1.0.0"
   description: |
-    OpenAPI 3.1 specification for the ARC (Authoritative Registration Centre) broadcast API
+    OpenAPI 3.1 specification for the ARC (Authoritative Response Component) broadcast API
     as consumed by the `ARC` class in ts-sdk.
 
     ARC is the BSV miner-facing broadcast service. Clients submit raw transactions or