message: Update Regtest section for better convention
diff: @@ -354,7 +354,11 @@ public:
  fRequireStandard = false;
  fMineBlocksOnDemand = true;
  - checkpointData = (CCheckpointData) {};
  + checkpointData = (CCheckpointData){
  + {
  + { 0, uint256S("0x719548bfb318084da500e0e4b6fea5d00a79300f2e33ed54a10bc4f477e91710") },
  + }
  + };
  chainTxData = ChainTxData{
  1296688602,
  