diff --git a/os/gproc/gproc_comm.go b/os/gproc/gproc_comm.go
index f9014c2a2..9d2bf6aa5 100644
--- a/os/gproc/gproc_comm.go
+++ b/os/gproc/gproc_comm.go
@@ -31,9 +31,9 @@ type MsgResponse struct {
 }
 
 const (
-	gPROC_COMM_DEFAULT_GRUOP_NAME = ""    // Default group name.
-	gPROC_DEFAULT_TCP_PORT        = 10000 // Starting port number for receiver listening.
-	gPROC_MSG_QUEUE_MAX_LENGTH    = 10000 // Max size for each message queue of the group.
+	defaultGroupNameFoProcComm = ""    // Default group name.
+	defaultTcpPortForProcComm  = 10000 // Starting port number for receiver listening.
+	maxLengthForProcMsgQueue   = 10000 // Max size for each message queue of the group.
 )
 
 var (
diff --git a/os/gproc/gproc_comm_receive.go b/os/gproc/gproc_comm_receive.go
index 18a815553..df4f52412 100644
--- a/os/gproc/gproc_comm_receive.go
+++ b/os/gproc/gproc_comm_receive.go
@@ -35,10 +35,10 @@ func Receive(group ...string) *MsgRequest {
 	if len(group) > 0 {
 		groupName = group[0]
 	} else {
-		groupName = gPROC_COMM_DEFAULT_GRUOP_NAME
+		groupName = defaultGroupNameFoProcComm
 	}
 	queue := commReceiveQueues.GetOrSetFuncLock(groupName, func() interface{} {
-		return gqueue.New(gPROC_MSG_QUEUE_MAX_LENGTH)
+		return gqueue.New(maxLengthForProcMsgQueue)
 	}).(*gqueue.Queue)
 
 	// Blocking receiving.
@@ -52,7 +52,7 @@ func Receive(group ...string) *MsgRequest {
 func receiveTcpListening() {
 	var listen *net.TCPListener
 	// Scan the available port for listening.
-	for i := gPROC_DEFAULT_TCP_PORT; ; i++ {
+	for i := defaultTcpPortForProcComm; ; i++ {
 		addr, err := net.ResolveTCPAddr("tcp", fmt.Sprintf("127.0.0.1:%d", i))
 		if err != nil {
 			continue
diff --git a/os/gproc/gproc_comm_send.go b/os/gproc/gproc_comm_send.go
index 762042162..5a06cef62 100644
--- a/os/gproc/gproc_comm_send.go
+++ b/os/gproc/gproc_comm_send.go
@@ -18,7 +18,7 @@ func Send(pid int, data []byte, group ...string) error {
 	msg := MsgRequest{
 		SendPid: Pid(),
 		RecvPid: pid,
-		Group:   gPROC_COMM_DEFAULT_GRUOP_NAME,
+		Group:   defaultGroupNameFoProcComm,
 		Data:    data,
 	}
 	if len(group) > 0 {
diff --git a/os/gproc/gproc_process.go b/os/gproc/gproc_process.go
index 870f89cca..625407364 100644
--- a/os/gproc/gproc_process.go
+++ b/os/gproc/gproc_process.go
@@ -88,7 +88,7 @@ func (p *Process) Run() error {
 	}
 }
 
-// PID
+// Pid retrieves and returns the PID for the process.
 func (p *Process) Pid() int {
 	if p.Process != nil {
 		return p.Process.Pid
@@ -96,7 +96,7 @@ func (p *Process) Pid() int {
 	return 0
 }
 
-// Send send custom data to the process.
+// Send sends custom data to the process.
 func (p *Process) Send(data []byte) error {
 	if p.Process != nil {
 		return Send(p.Process.Pid, data)