diff --git a/src/main/java/net/minestom/server/instance/IChunkLoader.java b/src/main/java/net/minestom/server/instance/IChunkLoader.java
index 7e9d9199e..28ccf97ce 100644
--- a/src/main/java/net/minestom/server/instance/IChunkLoader.java
+++ b/src/main/java/net/minestom/server/instance/IChunkLoader.java
@@ -14,7 +14,8 @@ public interface IChunkLoader {
      * @param instance the instance where the chunk belong
      * @param chunkX   the chunk X
      * @param chunkZ   the chunk Z
-     * @param callback the callback executed when the chunk is done loading
+     * @param callback the callback executed when the chunk is done loading,
+     *                 never called if something went wrong
      * @return true if the chunk loaded successfully, false otherwise
      */
     boolean loadChunk(Instance instance, int chunkX, int chunkZ, ChunkCallback callback);
@@ -23,7 +24,8 @@ public interface IChunkLoader {
      * Save a specific chunk with a callback for when it is done
      *
      * @param chunk    the chunk to save
-     * @param callback the callback executed when the chunk is done saving
+     * @param callback the callback executed when the chunk is done saving,
+     *                 should be called even if the saving failed (you can throw an exception)
      */
     void saveChunk(Chunk chunk, Runnable callback);