correct some nits in comment and test files

Signed-off-by: allencloud <allen.sun@daocloud.io>

builder/dockerfile/bflag.go

@@ -29,7 +29,7 @@ type Flag struct {
 	Value    string
 }
 
-// NewBFlags return the new BFlags struct
+// NewBFlags returns the new BFlags struct
 func NewBFlags() *BFlags {
 	return &BFlags{
 		flags: make(map[string]*Flag),

daemon/discovery_test.go

@@ -37,7 +37,7 @@ func TestDiscoveryOpts(t *testing.T) {
 	}
 
 	if heartbeat != 10*time.Second {
-		t.Fatalf("Heatbeat - Expected : %v, Actual : %v", 10*time.Second, heartbeat)
+		t.Fatalf("Heartbeat - Expected : %v, Actual : %v", 10*time.Second, heartbeat)
 	}
 
 	if ttl != 20*time.Second {
@@ -51,7 +51,7 @@ func TestDiscoveryOpts(t *testing.T) {
 	}
 
 	if heartbeat != 10*time.Second {
-		t.Fatalf("Heatbeat - Expected : %v, Actual : %v", 10*time.Second, heartbeat)
+		t.Fatalf("Heartbeat - Expected : %v, Actual : %v", 10*time.Second, heartbeat)
 	}
 
 	expected := 10 * defaultDiscoveryTTLFactor * time.Second
@@ -71,7 +71,7 @@ func TestDiscoveryOpts(t *testing.T) {
 
 	expected = 30 * time.Second / defaultDiscoveryTTLFactor
 	if heartbeat != expected {
-		t.Fatalf("Heatbeat - Expected : %v, Actual : %v", expected, heartbeat)
+		t.Fatalf("Heartbeat - Expected : %v, Actual : %v", expected, heartbeat)
 	}
 
 	clusterOpts = map[string]string{}
@@ -81,7 +81,7 @@ func TestDiscoveryOpts(t *testing.T) {
 	}
 
 	if heartbeat != defaultDiscoveryHeartbeat {
-		t.Fatalf("Heatbeat - Expected : %v, Actual : %v", defaultDiscoveryHeartbeat, heartbeat)
+		t.Fatalf("Heartbeat - Expected : %v, Actual : %v", defaultDiscoveryHeartbeat, heartbeat)
 	}
 
 	expected = defaultDiscoveryHeartbeat * defaultDiscoveryTTLFactor

libcontainerd/types_linux.go

@@ -44,7 +44,7 @@ type StateInfo struct {
 // Stats contains a stats properties from containerd.
 type Stats containerd.StatsResponse
 
-// Summary container a container summary from containerd
+// Summary contains a container summary from containerd
 type Summary struct{}
 
 // User specifies linux specific user and group information for the container's

libcontainerd/types_solaris.go

@@ -20,7 +20,7 @@ type Process struct {
 // Stats contains a stats properties from containerd.
 type Stats struct{}
 
-// Summary container a container summary from containerd
+// Summary contains a container summary from containerd
 type Summary struct{}
 
 // StateInfo contains description about the new state container has entered.

libcontainerd/types_windows.go

@@ -11,7 +11,7 @@ type Process windowsoci.Process
 // User specifies user information for the containers main process.
 type User windowsoci.User
 
-// Summary container a container summary from containerd
+// Summary contains a container summary from containerd
 type Summary struct {
 	Pid     uint32
 	Command string

libcontainerd/utils_windows.go

@@ -5,7 +5,7 @@ import (
 	"strings"
 )
 
-// setupEnvironmentVariables convert a string array of environment variables
+// setupEnvironmentVariables converts a string array of environment variables
 // into a map as required by the HCS. Source array is in format [v1=k1] [v2=k2] etc.
 func setupEnvironmentVariables(a []string) map[string]string {
 	r := make(map[string]string)

libcontainerd/windowsoci/oci_windows.go

@@ -29,13 +29,13 @@ type Spec struct {
 	Root Root `json:"root"`
 	// Hostname is the container's host name.
 	Hostname string `json:"hostname,omitempty"`
-	// Mounts profile configuration for adding mounts to the container's filesystem.
+	// Mounts profiles configuration for adding mounts to the container's filesystem.
 	Mounts []Mount `json:"mounts"`
 }
 
 // Windows contains platform specific configuration for Windows based containers.
 type Windows struct {
-	// Resources contain information for handling resource constraints for the container
+	// Resources contains information for handling resource constraints for the container
 	Resources *Resources `json:"resources,omitempty"`
 	// Networking contains the platform specific network settings for the container.
 	Networking *Networking `json:"networking,omitempty"`
@@ -143,7 +143,7 @@ type CPU struct {
 	Percent *int64 `json:"percent,omitempty"`
 }
 
-// Network network resource management information
+// Network contains network resource management information
 type Network struct {
 	// Bandwidth is the maximum egress bandwidth in bytes per second
 	Bandwidth *uint64 `json:"bandwidth,omitempty"`

opts/opts.go

@@ -136,7 +136,7 @@ func (o *NamedListOpts) Name() string {
 	return o.name
 }
 
-//MapOpts holds a map of values and a validation function.
+// MapOpts holds a map of values and a validation function.
 type MapOpts struct {
 	values    map[string]string
 	validator ValidatorFctType