Fixed javadoc

src/main/java/net/minestom/server/data/DataImpl.java

@@ -15,7 +15,7 @@ public class DataImpl implements Data {
     protected final ConcurrentHashMap<String, Object> data = new ConcurrentHashMap<>();
 
     /**
-     * Data key -> Class
+     * Data key = Class
      * Used to know the type of an element of this data object (for serialization purpose)
      */
     protected final ConcurrentHashMap<String, Class> dataType = new ConcurrentHashMap<>();

src/main/java/net/minestom/server/entity/Player.java

@@ -1446,7 +1446,7 @@ public class Player extends LivingEntity implements CommandSender {
                 chunk.removeViewer(this);
         }
 
-        // Not sure what it does...
+        // Update client render distance
         updateViewPosition(newChunk);
 
         // Load new chunks

src/main/java/net/minestom/server/instance/Instance.java

@@ -165,7 +165,7 @@ public abstract class Instance implements BlockModifier, EventHandler, DataConta
      * <p>
      * WARNING: during unloading, all entities other than {@link Player} will be removed.
      * <p>
-     * For {@link InstanceContainer} it is done during {@link InstanceContainer#tick(long)}
+     * For {@link InstanceContainer} it is done during the next {@link InstanceContainer#tick(long)}.
      *
      * @param chunk the chunk to unload
      */