Update monai/networks/layers/filtering.py

Co-authored-by: Eric Kerfoot <17726042+ericspod@users.noreply.github.com>
Signed-off-by: Abdoulaye Diallo <113793273+getrichthroughcode@users.noreply.github.com>

Author: getrichthroughcode

monai/networks/layers/filtering.py

@@ -428,7 +428,7 @@ def forward(self, input_tensor, guidance_tensor):
             guidance_tensor = guidance_tensor.unsqueeze(4)
 
         if self.len_spatial_sigma != spatial_dims:
-            raise ValueError(f"Spatial dimension ({spatial_dims}) must match initialized len(spatial_sigma).")
+            raise ValueError(f"Number of spatial dimensions ({spatial_dims}) must match initialized `len(spatial_sigma)`.")
 
         prediction = TrainableJointBilateralFilterFunction.apply(
             input_tensor, guidance_tensor, self.sigma_x, self.sigma_y, self.sigma_z, self.sigma_color