diff --git a/labml_nn/diffusion/stable_diffusion/model/unet.py b/labml_nn/diffusion/stable_diffusion/model/unet.py
index 311482dd..761bded9 100644
--- a/labml_nn/diffusion/stable_diffusion/model/unet.py
+++ b/labml_nn/diffusion/stable_diffusion/model/unet.py
@@ -49,7 +49,9 @@ class UNetModel(nn.Module):
         :param n_res_blocks: number of residual blocks at each level
         :param attention_levels: are the levels at which attention should be performed
         :param channel_multipliers: are the multiplicative factors for number of channels for each level
-        :param n_heads: the number of attention heads in the transformers
+        :param n_heads: is the number of attention heads in the transformers
+        :param tf_layers: is the number of transformer layers in the transformers
+        :param d_cond: is the size of the conditional embedding in the transformers
         """
         super().__init__()
         self.channels = channels