diff --git a/comfy_extras/nodes_audio.py b/comfy_extras/nodes_audio.py
index a34b687d0..d5084497e 100644
--- a/comfy_extras/nodes_audio.py
+++ b/comfy_extras/nodes_audio.py
@@ -669,6 +669,7 @@ class AudioAdjustVolume(IO.ComfyNode):
             search_aliases=["audio gain", "loudness", "audio level"],
             display_name="Adjust Audio Volume",
             category="audio",
+            description="Adjust the volume of the audio by a specified amount in decibels (dB).",
             inputs=[
                 IO.Audio.Input("audio"),
                 IO.Int.Input(
diff --git a/comfy_extras/nodes_dataset.py b/comfy_extras/nodes_dataset.py
index 0808198a0..606734f88 100644
--- a/comfy_extras/nodes_dataset.py
+++ b/comfy_extras/nodes_dataset.py
@@ -49,6 +49,7 @@ class LoadImageDataSetFromFolderNode(io.ComfyNode):
             node_id="LoadImageDataSetFromFolder",
             display_name="Load Image (from Folder)",
             category="image",
+            description="Load a dataset of images from a specified folder and return a list of images. Supported formats: PNG, JPG, JPEG, WEBP.",
             is_experimental=True,
             inputs=[
                 io.Combo.Input(
diff --git a/comfy_extras/nodes_hunyuan3d.py b/comfy_extras/nodes_hunyuan3d.py
index f71aa4366..d442ce50a 100644
--- a/comfy_extras/nodes_hunyuan3d.py
+++ b/comfy_extras/nodes_hunyuan3d.py
@@ -421,6 +421,7 @@ class VoxelToMeshBasic(IO.ComfyNode):
             node_id="VoxelToMeshBasic",
             display_name="Voxel to Mesh (Basic) (DEPRECATED)",
             category="3d",
+            description="Converts a voxel grid to a mesh.",
             inputs=[
                 IO.Voxel.Input("voxel"),
                 IO.Float.Input("threshold", default=0.6, min=-1.0, max=1.0, step=0.01),
@@ -454,6 +455,7 @@ class VoxelToMesh(IO.ComfyNode):
             node_id="VoxelToMesh",
             display_name="Voxel to Mesh",
             category="3d",
+            description="Converts a voxel grid to a mesh.",
             inputs=[
                 IO.Voxel.Input("voxel"),
                 IO.Combo.Input("algorithm", options=["surface net", "basic"]),