Update _misc.py

gaussian blue doc - mention padding policy

torchvision/transforms/v2/_misc.py

@@ -166,7 +166,7 @@ def _transform(self, inpt: Any, params: Dict[str, Any]) -> Any:
 
 
 class GaussianBlur(Transform):
-    """Blurs image with randomly chosen Gaussian blur.
+    """Blurs image with randomly chosen Gaussian blur kernel. The convolution will be using reflection padding corresponding to the kernel size, to maintain the input shape.
 
     If the input is a Tensor, it is expected
     to have [..., C, H, W] shape, where ... means an arbitrary number of leading dimensions.