diff --git a/tensor2tensor/layers/modalities.py b/tensor2tensor/layers/modalities.py
index ddef5e67f..3dd321ca1 100644
--- a/tensor2tensor/layers/modalities.py
+++ b/tensor2tensor/layers/modalities.py
@@ -76,7 +76,7 @@ def _get_weights(self, hidden_dim=None):
     """Create or get concatenated embedding or softmax variable.
 
     Args:
-      hidden_dim: dim of the variable. Defaults fo self._body_input_depth
+      hidden_dim: dim of the variable. Defaults to self._body_input_depth
 
     Returns:
        a list of self._num_shards Tensors.