Fix typos

internal/restorer/fileswriter_test.go

@@ -49,7 +49,7 @@ func TestFilesWriterRecursiveOverwrite(t *testing.T) {
 	// must error if recursive delete is not allowed
 	w := newFilesWriter(1, false)
 	err := w.writeToFile(path, []byte{1}, 0, 2, false)
-	rtest.Assert(t, errors.Is(err, notEmptyDirError()), "unexepected error got %v", err)
+	rtest.Assert(t, errors.Is(err, notEmptyDirError()), "unexpected error got %v", err)
 	rtest.Equals(t, 0, len(w.buckets[0].files))
 
 	// must replace directory

internal/restorer/restorer_windows.go

@@ -8,6 +8,6 @@ import "strings"
 // toComparableFilename returns a filename suitable for equality checks. On Windows, it returns the
 // uppercase version of the string. On all other systems, it returns the unmodified filename.
 func toComparableFilename(path string) string {
-	// apparently NTFS internally uppercases filenames for comparision
+	// apparently NTFS internally uppercases filenames for comparison
 	return strings.ToUpper(path)
 }