typos and spelling correction

cmd/syncthing/connections.go

@@ -22,7 +22,7 @@ import (
 )
 
 // The connection service listens on TLS and dials configured unconnected
-// devices. Successfull connections are handed to the model.
+// devices. Successful connections are handed to the model.
 type connectionSvc struct {
 	*suture.Supervisor
 	cfg    *config.Wrapper
@@ -116,7 +116,7 @@ next:
 		remoteID := protocol.NewDeviceID(remoteCert.Raw)
 
 		// The device ID should not be that of ourselves. It can happen
-		// though, especially in the presense of NAT hairpinning, multiple
+		// though, especially in the presence of NAT hairpinning, multiple
 		// clients between the same NAT gateway, and global discovery.
 		if remoteID == myID {
 			l.Infof("Connected to myself (%s) - should not happen", remoteID)
@@ -128,7 +128,7 @@ next:
 		// could use some better handling. If the old connection is dead but
 		// hasn't timed out yet we may want to drop *that* connection and keep
 		// this one. But in case we are two devices connecting to each other
-		// in parallell we don't want to do that or we end up with no
+		// in parallel we don't want to do that or we end up with no
 		// connections still established...
 		if s.model.ConnectedTo(remoteID) {
 			l.Infof("Connected to already connected device (%s)", remoteID)

cmd/syncthing/monitor.go

@@ -124,7 +124,7 @@ func monitorMain() {
 
 		case err = <-exit:
 			if err == nil {
-				// Successfull exit indicates an intentional shutdown
+				// Successful exit indicates an intentional shutdown
 				return
 			} else if exiterr, ok := err.(*exec.ExitError); ok {
 				if status, ok := exiterr.Sys().(syscall.WaitStatus); ok {

cmd/syncthing/summarysvc.go

@@ -132,7 +132,7 @@ func (c *folderSummarySvc) calculateSummaries() {
 // foldersToHandle returns the list of folders needing a summary update, and
 // clears the list.
 func (c *folderSummarySvc) foldersToHandle() []string {
-	// We only recalculate sumamries if someone is listening to events
+	// We only recalculate summaries if someone is listening to events
 	// (a request to /rest/events has been made within the last
 	// pingEventInterval).