Update comments to fix typos and use proper form.

msgheaders.go

@@ -114,7 +114,7 @@ func (msg *MsgHeaders) MaxPayloadLength(pver uint32) uint32 {
 	return maxVarIntPayload + (maxBlockHeaderPayload * MaxBlockHeadersPerMsg)
 }
 
-// NewMsgGetHeaders returns a new bitcoin headers message that conforms to the
+// NewMsgHeaders returns a new bitcoin headers message that conforms to the
 // Message interface.  See MsgHeaders for details.
 func NewMsgHeaders() *MsgHeaders {
 	return &MsgHeaders{}

msgmempool.go

@@ -53,7 +53,7 @@ func (msg *MsgMemPool) MaxPayloadLength(pver uint32) uint32 {
 	return 0
 }
 
-// NewMsgPong returns a new bitcoin pong message that conforms to the Message
+// NewMsgMemPool returns a new bitcoin pong message that conforms to the Message
 // interface.  See MsgPong for details.
 func NewMsgMemPool() *MsgMemPool {
 	return &MsgMemPool{}

msgtx.go

@@ -13,7 +13,7 @@ import (
 // of a transaction input can be.
 const MaxTxInSequenceNum uint32 = 0xffffffff
 
-// Outpoint defines a bitcoin data type that is used to track previous
+// OutPoint defines a bitcoin data type that is used to track previous
 // transaction outputs.
 type OutPoint struct {
 	Hash  ShaHash

protocol.go

@@ -83,12 +83,12 @@ type BitcoinNet uint32
 // this package does not provide that functionality since it's generally a
 // better idea to simply disconnect clients that are misbehaving over TCP.
 const (
-	// Main bitcoin network.
+	// MainNet represents the main bitcoin network.
 	MainNet BitcoinNet = 0xd9b4bef9
 
-	// Regression test network.
+	// TestNet represents the regression test network.
 	TestNet BitcoinNet = 0xdab5bffa
 
-	// Test network version 3.
+	// TestNet3 represents the test network (version 3).
 	TestNet3 BitcoinNet = 0x0709110b
 )