all: Fix comment typos

Skip-check: authors

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/4481

lib/model/model.go

@@ -1108,7 +1108,7 @@ func (m *Model) handleDeintroductions(introducerCfg config.DeviceConfiguration,
 				if !foldersDevices.has(folderCfg.Devices[i].DeviceID, folderCfg.ID) {
 					// We could not find that folder shared on the
 					// introducer with the device that was introduced to us.
-					// We should follow and unshare aswell.
+					// We should follow and unshare as well.
 					l.Infof("Unsharing folder %s with %v as introducer %v no longer shares the folder with that device", folderCfg.Description(), folderCfg.Devices[i].DeviceID, folderCfg.Devices[i].IntroducedBy)
 					folderCfg.Devices = append(folderCfg.Devices[:i], folderCfg.Devices[i+1:]...)
 					i--

lib/model/model_test.go

@@ -1908,7 +1908,7 @@ func TestIssue3164(t *testing.T) {
 func TestIssue4357(t *testing.T) {
 	db := db.OpenMemory()
 	cfg := defaultConfig.RawCopy()
-	// Create a separate wrapper not to polute other tests.
+	// Create a separate wrapper not to pollute other tests.
 	wrapper := config.Wrap("/tmp/test", config.Configuration{})
 	m := NewModel(wrapper, protocol.LocalDeviceID, "syncthing", "dev", db, nil)
 	m.ServeBackground()

lib/model/rwfolder_test.go

@@ -386,7 +386,7 @@ func TestWeakHash(t *testing.T) {
 	}
 }
 
-// Test that updating a file removes it's old blocks from the blockmap
+// Test that updating a file removes its old blocks from the blockmap
 func TestCopierCleanup(t *testing.T) {
 	iterFn := func(folder, file string, index int32) bool {
 		return true

lib/model/sharedpullerstate.go

@@ -146,7 +146,7 @@ func (s *sharedPullerState) tempFile() (io.WriterAt, error) {
 	} else if !s.ignorePerms {
 		// With sufficiently bad luck when exiting or crashing, we may have
 		// had time to chmod the temp file to read only state but not yet
-		// moved it to it's final name. This leaves us with a read only temp
+		// moved it to its final name. This leaves us with a read only temp
 		// file that we're going to try to reuse. To handle that, we need to
 		// make sure we have write permissions on the file before opening it.
 		//