diff --git a/src/main/java/net/minestom/server/instance/IChunkLoader.java b/src/main/java/net/minestom/server/instance/IChunkLoader.java
index 2632368f8..dbe993253 100644
--- a/src/main/java/net/minestom/server/instance/IChunkLoader.java
+++ b/src/main/java/net/minestom/server/instance/IChunkLoader.java
@@ -9,7 +9,7 @@ import java.util.function.Consumer;
 public interface IChunkLoader {
 
     /**
-     * Load a specific chunk
+     * Load a specific chunk, all blocks should be set since the {@link ChunkGenerator} is not applied
      *
      * @param instance the instance where the chunk belong
      * @param chunkX   the chunk X
diff --git a/src/main/java/net/minestom/server/instance/InstanceContainer.java b/src/main/java/net/minestom/server/instance/InstanceContainer.java
index c4bcd01db..15de175cf 100644
--- a/src/main/java/net/minestom/server/instance/InstanceContainer.java
+++ b/src/main/java/net/minestom/server/instance/InstanceContainer.java
@@ -467,6 +467,7 @@ public class InstanceContainer extends Instance {
         cacheChunk(chunk);
 
         if (chunkGenerator != null && blockProvider == null) {
+            // Execute the chunk generator to populate the chunk
             final ChunkBatch chunkBatch = createChunkBatch(chunk);
 
             chunkBatch.flushChunkGenerator(chunkGenerator, callback);