miner: fix typo

Author: fjl

miner/miner.go

@@ -44,7 +44,7 @@ type Backend interface {
 type Config struct {
 	Etherbase  common.Address `toml:",omitempty"` // Public address for block mining rewards (default = first account)
 	Notify     []string       `toml:",omitempty"` // HTTP URL list to be notified of new work packages (only useful in ethash).
-	NotifyFull bool           `toml:",omitempty"` // Notify with pending block bodies instead of work packages
+	NotifyFull bool           `toml:",omitempty"` // Notify with pending block headers instead of work packages
 	ExtraData  hexutil.Bytes  `toml:",omitempty"` // Block extra data set by the miner
 	GasFloor   uint64         // Target gas floor for mined blocks.
 	GasCeil    uint64         // Target gas ceiling for mined blocks.