diff --git a/pom.xml b/pom.xml
index 824ca63..2a37b93 100644
--- a/pom.xml
+++ b/pom.xml
@@ -109,7 +109,7 @@
         <dependency>
 			<groupId>org.projectlombok</groupId>
 			<artifactId>lombok</artifactId>
-			<version>1.18.24</version>
+			<version>1.18.34</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>
@@ -246,10 +246,10 @@
                             </execution>
                         </executions>
                     </plugin>
-                    <plugin>
+                   <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>3.0.1</version>
+                        <version>3.11.1</version>
                         <executions>
                             <execution>
                                 <id>attach-javadocs</id>
@@ -262,6 +262,10 @@
                         <configuration>
                             <quiet>true</quiet>
                             <doclint>none</doclint>
+                            <failOnWarnings>true</failOnWarnings>
+                            <links>
+                                <link>https://javadoc.io/doc/com.vaadin/vaadin-platform-javadoc/${vaadin.version}</link>
+                            </links>
                         </configuration>
                     </plugin>
                     <plugin>
diff --git a/src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGrid.java b/src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGrid.java
index 129ddf1..39b6124 100644
--- a/src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGrid.java
+++ b/src/main/java/com/flowingcode/vaadin/addons/twincolgrid/TwinColGrid.java
@@ -162,7 +162,7 @@ public enum Orientation {
   private boolean isFromClient = false;
 
   private String layoutId;
-  
+
   private static <T> ListDataProvider<T> emptyDataProvider() {
     return DataProvider.ofCollection(new LinkedHashSet<>());
   }
@@ -308,7 +308,7 @@ public TwinColGrid(@NonNull Grid<T> availableGrid, @NonNull Grid<T> selectionGri
   /**
    * Sets the component caption.
    *
-   * @param captinText the component caption.
+   * @param captionText the component caption.
    */
   public void setCaption(String captionText) {
     if (captionText != null) {
@@ -339,7 +339,7 @@ public String getCaption() {
    * Sets orientation for TwinColGridComponent
    *
    * @param orientation
-   * @return
+   * @return this instance for method chaining.
    */
   public TwinColGrid<T> withOrientation(Orientation orientation) {
     if (this.orientation != orientation) {
@@ -393,10 +393,10 @@ private Component createContainerLayout() {
 
   private String getLayoutId() {
     return Optional.ofNullable(layoutId).orElseGet(()->{
-      return this.layoutId = "twincol-" + UUID.randomUUID();
+      return layoutId = "twincol-" + UUID.randomUUID();
     });
   }
-  
+
   private HorizontalLayout createHorizontalContainer(boolean reverse) {
     buttonContainer = getVerticalButtonContainer();
     HorizontalLayout hl;
@@ -676,7 +676,7 @@ public TwinColGrid<T> addSortableColumn(
    * @param itemLabelGenerator the value provider
    * @param comparator the in-memory comparator
    * @param header the column header
-   * @param header the column key
+   * @param key the column key
    * @return this instance
    */
   public TwinColGrid<T> addSortableColumn(