diff --git a/cbz/cbz_creator.go b/cbz/cbz_creator.go
index fcd5c8b..c03bd4d 100644
--- a/cbz/cbz_creator.go
+++ b/cbz/cbz_creator.go
@@ -17,6 +17,10 @@ func WriteChapterToCBZ(chapter *packer.Chapter, outputFilePath string) error {
 
 	// Create a new ZIP writer
 	zipWriter := zip.NewWriter(zipFile)
+	err = zipWriter.SetComment("Created by CBZOptimizer")
+	if err != nil {
+		return err
+	}
 	defer zipWriter.Close()
 
 	// Write each page to the ZIP archive
diff --git a/cbz/cbz_loader_test.go b/cbz/cbz_loader_test.go
index 9fdb5b6..f49452b 100644
--- a/cbz/cbz_loader_test.go
+++ b/cbz/cbz_loader_test.go
@@ -6,25 +6,51 @@ import (
 )
 
 func TestLoadChapter(t *testing.T) {
-	// Define the path to the .cbz file
-	chapterFilePath := "../testdata/Chapter 1.cbz"
-
-	// Load the chapter
-	chapter, err := LoadChapter(chapterFilePath)
-	if err != nil {
-		t.Fatalf("Failed to load chapter: %v", err)
+	type testCase struct {
+		name               string
+		filePath           string
+		expectedPages      int
+		expectedSeries     string
+		expectedConversion bool
 	}
 
-	// Check the number of pages
-	expectedPages := 16
-	actualPages := len(chapter.Pages)
-	if actualPages != expectedPages {
-		t.Errorf("Expected %d pages, but got %d", expectedPages, actualPages)
+	testCases := []testCase{
+		{
+			name:               "Original Chapter",
+			filePath:           "../testdata/Chapter 1.cbz",
+			expectedPages:      16,
+			expectedSeries:     "<Series>Boundless Necromancer</Series>",
+			expectedConversion: false,
+		},
+		{
+			name:               "Converted Chapter",
+			filePath:           "../testdata/Chapter 1_converted.cbz",
+			expectedPages:      107,
+			expectedSeries:     "<Series>Boundless Necromancer</Series>",
+			expectedConversion: true,
+		},
+		// Add more test cases as needed
 	}
 
-	// Check if ComicInfoXml contains the expected series name
-	expectedSeries := "<Series>Boundless Necromancer</Series>"
-	if !strings.Contains(chapter.ComicInfoXml, expectedSeries) {
-		t.Errorf("ComicInfoXml does not contain the expected series: %s", expectedSeries)
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			chapter, err := LoadChapter(tc.filePath)
+			if err != nil {
+				t.Fatalf("Failed to load chapter: %v", err)
+			}
+
+			actualPages := len(chapter.Pages)
+			if actualPages != tc.expectedPages {
+				t.Errorf("Expected %d pages, but got %d", tc.expectedPages, actualPages)
+			}
+
+			if !strings.Contains(chapter.ComicInfoXml, tc.expectedSeries) {
+				t.Errorf("ComicInfoXml does not contain the expected series: %s", tc.expectedSeries)
+			}
+
+			if chapter.IsConverted != tc.expectedConversion {
+				t.Errorf("Expected chapter to be converted: %t, but got %t", tc.expectedConversion, chapter.IsConverted)
+			}
+		})
 	}
 }
diff --git a/testdata/Chapter 1_converted.cbz b/testdata/Chapter 1_converted.cbz
new file mode 100644
index 0000000..1c08d13
Binary files /dev/null and b/testdata/Chapter 1_converted.cbz differ