Fix typo in modules.py

modules.py

@@ -69,7 +69,7 @@ class ConvReluNorm(nn.Module):
 
 class DDSConv(nn.Module):
   """
-  Dialted and Depth-Separable Convolution
+  Dilated and Depth-Separable Convolution
   """
   def __init__(self, channels, kernel_size, n_layers, p_dropout=0.):
     super().__init__()