Fix typos (#2853)

pkg/promtail/targets/file/filetarget.go

@@ -309,7 +309,7 @@ func (t *FileTarget) startTailing(ps []string) {
 	}
 }
 
-// stopTailingAndRemovePositions will stop the tailer and remove the positions entry.
+// stopTailingAndRemovePosition will stop the tailer and remove the positions entry.
 // Call this when a file no longer exists and you want to remove all traces of it.
 func (t *FileTarget) stopTailingAndRemovePosition(ps []string) {
 	for _, p := range ps {

pkg/promtail/targets/file/filetargetmanager.go

@@ -133,8 +133,8 @@ func NewFileTargetManager(
 }
 
 func (tm *FileTargetManager) run() {
-	for targetGoups := range tm.manager.SyncCh() {
-		for jobName, groups := range targetGoups {
+	for targetGroups := range tm.manager.SyncCh() {
+		for jobName, groups := range targetGroups {
 			tm.syncers[jobName].sync(groups)
 		}
 	}

pkg/promtail/targets/lokipush/pushtargetmanager.go

@@ -15,7 +15,7 @@ import (
 	"github.com/grafana/loki/pkg/promtail/targets/target"
 )
 
-// SyslogTargetManager manages a series of PushTargets.
+// PushTargetManager manages a series of PushTargets.
 type PushTargetManager struct {
 	logger  log.Logger
 	targets map[string]*PushTarget

pkg/promtail/targets/stdin/stdin_target_manager_test.go

@@ -118,7 +118,7 @@ type fakeStdin struct {
 	os.FileInfo
 }
 
-func newFakeStin(data string) *fakeStdin {
+func newFakeStdin(data string) *fakeStdin {
 	return &fakeStdin{
 		Reader: strings.NewReader(data),
 	}
@@ -127,7 +127,7 @@ func newFakeStin(data string) *fakeStdin {
 func (f fakeStdin) Stat() (os.FileInfo, error) { return f.FileInfo, nil }
 
 func Test_Shutdown(t *testing.T) {
-	stdIn = newFakeStin("line")
+	stdIn = newFakeStdin("line")
 	appMock := &mockShutdownable{called: make(chan bool, 1)}
 	recorder := &clientRecorder{}
 	manager, err := NewStdinTargetManager(util.Logger, appMock, recorder, []scrapeconfig.Config{{}})