diff --git a/baremaps-martini/src/main/java/org/apache/baremaps/martini/Martini.java b/baremaps-martini/src/main/java/org/apache/baremaps/martini/Martini.java
index 5152e83cc..3be8074fc 100644
--- a/baremaps-martini/src/main/java/org/apache/baremaps/martini/Martini.java
+++ b/baremaps-martini/src/main/java/org/apache/baremaps/martini/Martini.java
@@ -22,16 +22,20 @@
  * from height data.
  * <p>
  * 
- * @see <a href="https://github.com/mapbox/martini">Martini GitHub
+ * @see <a href="https://github.com/mapbox/martini">Martini GitHub</a>
  */
 public class Martini {
 
   private final int gridSize;
   private final int numTriangles;
   private final int numParentTriangles;
-
   private final int[] baseCoords;
 
+  /**
+   * Constructs a new {@code Martini} instance with the specified grid size.
+   *
+   * @param gridSize the grid size
+   */
   public Martini(int gridSize) {
     this.gridSize = gridSize;
 
@@ -78,10 +82,19 @@ public Martini(int gridSize) {
     }
   }
 
+  /**
+   * Creates a new {@code Tile} instance with the specified terrain data.
+   *
+   * @param terrain the terrain data
+   * @return the tile
+   */
   public Tile createTile(float[] terrain) {
     return new Tile(terrain, gridSize, numTriangles, numParentTriangles, baseCoords);
   }
 
+  /**
+   * The {@code Tile} class represents a tile of terrain data.
+   */
   public static class Tile {
 
     private final int gridSize;
@@ -133,6 +146,12 @@ private Tile(float[] terrain, int gridSize, int numTriangles, int numParentTrian
       }
     }
 
+    /**
+     * Returns the mesh of the tile with the specified maximum error.
+     *
+     * @param maxError the maximum error
+     * @return the mesh
+     */
     public Mesh getMesh(float maxError) {
       int max = gridSize - 1;
 
@@ -194,12 +213,15 @@ private void processTriangle(int ax, int ay, int bx, int by, int cx, int cy, flo
     }
   }
 
+  /**
+   * The {@code Mesh} class represents a mesh of vertices and triangles.
+   */
   public static class Mesh {
 
     private final int[] vertices;
     private final int[] triangles;
 
-    public Mesh(int[] vertices, int[] triangles) {
+    private Mesh(int[] vertices, int[] triangles) {
       this.vertices = vertices;
       this.triangles = triangles;
     }
diff --git a/baremaps-martini/src/test/java/org/apache/baremaps/martini/MartiniTest.java b/baremaps-martini/src/test/java/org/apache/baremaps/martini/MartiniTest.java
index 9177bd4a1..f2819a7b5 100644
--- a/baremaps-martini/src/test/java/org/apache/baremaps/martini/MartiniTest.java
+++ b/baremaps-martini/src/test/java/org/apache/baremaps/martini/MartiniTest.java
@@ -19,7 +19,6 @@
 
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 
-import java.awt.image.BufferedImage;
 import java.io.IOException;
 import java.nio.file.Path;
 import javax.imageio.ImageIO;
@@ -29,12 +28,12 @@ public class MartiniTest {
 
   @Test
   public void generateAMesh() throws IOException {
-    BufferedImage png = ImageIO.read(
+    var png = ImageIO.read(
         Path.of("")
             .toAbsolutePath()
-            .resolveSibling("baremaps-geotiff/src/test/resources/fuji.png")
+            .resolveSibling("baremaps-martini/src/test/resources/fuji.png")
             .toAbsolutePath().toFile());
-    float[] terrainGrid = MartiniUtils.mapboxTerrainToGrid(png);
+    var terrainGrid = MartiniUtils.mapboxTerrainToGrid(png);
     var martini = new Martini(png.getWidth() + 1);
     var tile = martini.createTile(terrainGrid);
     var mesh = tile.getMesh(500);