diff --git a/src/main/java/com/technicjelle/BMCopy.java b/src/main/java/com/technicjelle/BMCopy.java
index 2e0ac58..0824ec3 100644
--- a/src/main/java/com/technicjelle/BMCopy.java
+++ b/src/main/java/com/technicjelle/BMCopy.java
@@ -24,6 +24,9 @@
 import java.nio.file.StandardOpenOption;
 import java.util.function.Consumer;
 
+/**
+ * Utility functions for copying stuff to BlueMap
+ */
 public class BMCopy {
 	private BMCopy() {
 		throw new IllegalStateException("Utility class");
diff --git a/src/main/java/com/technicjelle/BMSkin.java b/src/main/java/com/technicjelle/BMSkin.java
index 4786798..4c12e51 100644
--- a/src/main/java/com/technicjelle/BMSkin.java
+++ b/src/main/java/com/technicjelle/BMSkin.java
@@ -24,6 +24,9 @@
 import java.util.Optional;
 import java.util.UUID;
 
+/**
+ * Utility functions for BlueMap skins and playerheads
+ */
 public class BMSkin {
 	private BMSkin() {
 		throw new IllegalStateException("Utility class");
diff --git a/src/main/java/com/technicjelle/ShapeExtensions.java b/src/main/java/com/technicjelle/ShapeExtensions.java
index 268595b..6555440 100644
--- a/src/main/java/com/technicjelle/ShapeExtensions.java
+++ b/src/main/java/com/technicjelle/ShapeExtensions.java
@@ -16,6 +16,9 @@
 import de.bluecolored.bluemap.api.math.Shape;
 import org.jetbrains.annotations.NotNull;
 
+/**
+ * Utility functions for {@link Shape}s
+ */
 public class ShapeExtensions {
 	private ShapeExtensions() {
 		throw new IllegalStateException("Utility class");