diff --git a/layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/classification/DocuMineClassificationService.java b/layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/classification/DocuMineClassificationService.java
index 3da3cfe..ea019bd 100644
--- a/layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/classification/DocuMineClassificationService.java
+++ b/layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/services/classification/DocuMineClassificationService.java
@@ -24,9 +24,9 @@ import lombok.extern.slf4j.Slf4j;
 @RequiredArgsConstructor
 public class DocuMineClassificationService {
 
-    private static final Pattern HEADLINE_WITH_IDENTIFER_PATTERN = Pattern.compile("^([1-9]\\d?\\.){0,3}\\d{1,2}\\.?\\s[0-9A-Za-z \\[\\]]{2,50}", Pattern.CASE_INSENSITIVE);
+    private static final Pattern HEADLINE_WITH_IDENTIFER_PATTERN = Pattern.compile("^([1-9]\\d?\\.){1,3}\\d{1,2}\\.?\\s[0-9A-Za-z \\[\\]]{2,50}", Pattern.CASE_INSENSITIVE);
     private static final Pattern AT_LEAST_3_PATTERN = Pattern.compile("\\p{L}{3,}", Pattern.CASE_INSENSITIVE);
-    private static final Pattern HEADLINE_PATTTERN_WITH_SLASHES = Pattern.compile("^(\\d{1,1}\\.){0,3}\\d{1,2}\\.?\\s[a-z]{1,2}\\/[a-z]{1,2}.*");
+    private static final Pattern HEADLINE_PATTTERN_WITH_SLASHES = Pattern.compile("^(\\d{1,1}\\.){1,3}\\d{1,2}\\.?\\s[a-z]{1,2}\\/[a-z]{1,2}.*");
 
 
     public void classifyDocument(ClassificationDocument document) {
@@ -43,7 +43,10 @@ public class DocuMineClassificationService {
     }
 
 
-    private void classifyPage(HeadlineClassificationService headlineClassificationService, ClassificationPage page, ClassificationDocument document, List<Float> headlineFontSizes) {
+    private void classifyPage(HeadlineClassificationService headlineClassificationService,
+                              ClassificationPage page,
+                              ClassificationDocument document,
+                              List<Float> headlineFontSizes) {
 
         for (AbstractPageBlock textBlock : page.getTextBlocks()) {
             if (textBlock instanceof TextPageBlock) {
@@ -53,7 +56,11 @@ public class DocuMineClassificationService {
     }
 
 
-    private void classifyBlock(HeadlineClassificationService headlineClassificationService, TextPageBlock textBlock, ClassificationPage page, ClassificationDocument document, List<Float> headlineFontSizes) {
+    private void classifyBlock(HeadlineClassificationService headlineClassificationService,
+                               TextPageBlock textBlock,
+                               ClassificationPage page,
+                               ClassificationDocument document,
+                               List<Float> headlineFontSizes) {
 
         log.debug("headlineFontSizes: {}", headlineFontSizes);
         var bodyTextFrame = page.getBodyTextFrame();
@@ -70,14 +77,10 @@ public class DocuMineClassificationService {
             textBlock.setClassification(PageBlockType.OTHER);
             return;
         }
-        if (MarkedContentUtils.intersects(textBlock, page.getMarkedContentBboxPerType(), MarkedContentUtils.HEADER)
-            || (PositionUtils.isOverBodyTextFrame(bodyTextFrame,
-                                                  textBlock,
-                                                  page.getRotation()) && (document.getFontSizeCounter().getMostPopular()
-                                                                          == null
-                                                                          || textBlock.getHighestFontSize()
-                                                                             <= document.getFontSizeCounter()
-                                                                                     .getMostPopular()))) {
+        if (MarkedContentUtils.intersects(textBlock, page.getMarkedContentBboxPerType(), MarkedContentUtils.HEADER) //
+            || (PositionUtils.isOverBodyTextFrame(bodyTextFrame, textBlock, page.getRotation()) //
+                && (document.getFontSizeCounter().getMostPopular() == null //
+                    || textBlock.getHighestFontSize() <= document.getFontSizeCounter().getMostPopular()))) {
             textBlock.setClassification(PageBlockType.HEADER);
 
         } else if (MarkedContentUtils.intersects(textBlock, page.getMarkedContentBboxPerType(), MarkedContentUtils.FOOTER)
@@ -101,12 +104,14 @@ public class DocuMineClassificationService {
                        || textBlock.getMostPopularWordFontSize() > document.getFontSizeCounter().getMostPopular())
                    && PositionUtils.getApproxLineCount(textBlock) < 5.9
 
-                   && (textBlock.getMostPopularWordStyle().contains("bold") && Character.isDigit(textBlock.toString().charAt(0)) && atLeast3Matcher.reset().find() && !textBlock.toString()
-                .contains(":")
-                       || textBlock.toString().equals(textBlock.toString().toUpperCase(Locale.ROOT)) && atLeast3Matcher.reset().find() && !textBlock.toString().contains(":")
-                       || textBlock.toString().startsWith("APPENDIX")
-                       || textBlock.toString().startsWith("FIGURE")
-                       || textBlock.toString().startsWith("Continued TABLE")
+                   && (textBlock.getMostPopularWordStyle().contains("bold")
+                       && Character.isDigit(textBlock.toString().charAt(0))
+                       && atLeast3Matcher.reset().find()
+                       && !textBlock.toString().contains(":") //
+                       || textBlock.toString().equals(textBlock.toString().toUpperCase(Locale.ROOT)) && atLeast3Matcher.reset().find() && !textBlock.toString().contains(":") //
+                       || textBlock.toString().startsWith("APPENDIX") //
+                       || textBlock.toString().startsWith("FIGURE") //
+                       || textBlock.toString().startsWith("Continued TABLE") //
                        || textBlock.toString().startsWith("TABLE"))
                    && !textBlock.toString().endsWith(":")
                    && atLeast3Matcher.reset().find()) {
@@ -114,7 +119,10 @@ public class DocuMineClassificationService {
             headlineClassificationService.classifyHeadline(textBlock, headlineType);
             document.setHeadlines(true);
 
-        } else if (headlineWithIdentifierMatcher.reset().find() && PositionUtils.getApproxLineCount(textBlock) < 2.9 && atLeast3Matcher.reset().find() && !headlineWithSlashesMatcher.reset().matches()) {
+        } else if (headlineWithIdentifierMatcher.reset().find()
+                   && PositionUtils.getApproxLineCount(textBlock) < 2.9
+                   && atLeast3Matcher.reset().find()
+                   && !headlineWithSlashesMatcher.reset().matches()) {
             PageBlockType headlineType = PageBlockType.getHeadlineType(2);
             headlineClassificationService.classifyHeadline(textBlock, headlineType);
             document.setHeadlines(true);