Correct documentation for BroadcastTransaction (#31)

Correct documentation for BroadcastTransaction.

gen/go/coinbase/cloud/clients/v1/internal/snippets/snippet_metadata.coinbase.cloud.protocols.v1.json

@@ -14,7 +14,7 @@
     {
       "regionTag": "api_v1_generated_ProtocolService_BroadcastTransaction_sync",
       "title": "api BroadcastTransaction Sample",
-      "description": "BroadcastTransaction broadcasts a transaction to a node in the Network. There are two ways of invoking this API: \n1. Set the raw_signed_transaction on the Transaction. This is equivalent to the payload used to broadcast transactions\nvia block explorers such as Etherscan.\n2. Set the signature(s) in the required_signatures of the Transaction.\nThe TransactionInput itself is not required. The Transaction returned will have the hash set on it.",
+      "description": "BroadcastTransaction broadcasts a transaction to a node in the Network. There are two ways of invoking this API: \n1. Set the raw_signed_transaction on the Transaction. This is equivalent to the payload used to broadcast transactions\nvia block explorers such as Etherscan. In this case, the TransactionInput does not need to be set on the Transaction.\n2. Set the signature(s) in the required_signatures of the Transaction. In this case, the TransactionInput must also be\nset on the Transaction.\nThe Transaction returned will have the hash set on it.",
       "file": "ProtocolClient/BroadcastTransaction/main.go",
       "language": "GO",
       "clientMethod": {