Fix resnext docs (#6044)

Co-authored-by: Vasilis Vryniotis <datumbox@users.noreply.github.com>

torchvision/models/quantization/resnet.py

@@ -378,7 +378,7 @@ def resnext101_32x8d(
         GPU inference is not yet supported.
 
     Args:
-        weights (:class:`~torchvision.models.quantization.ResNet101_32X8D_QuantizedWeights` or :class:`~torchvision.models.ResNet101_32X8D_Weights`, optional): The
+        weights (:class:`~torchvision.models.quantization.ResNeXt101_32X8D_QuantizedWeights` or :class:`~torchvision.models.ResNeXt101_32X8D_Weights`, optional): The
             pretrained weights for the model. See
             :class:`~torchvision.models.quantization.ResNet101_32X8D_QuantizedWeights` below for
             more details, and possible values. By default, no pre-trained
@@ -391,10 +391,10 @@ def resnext101_32x8d(
             <https://github.com/pytorch/vision/blob/main/torchvision/models/quantization.resnet.py>`_
             for more details about this class.
 
-    .. autoclass:: torchvision.models.quantization.ResNet101_32X8D_QuantizedWeights
+    .. autoclass:: torchvision.models.quantization.ResNeXt101_32X8D_QuantizedWeights
         :members:
 
-    .. autoclass:: torchvision.models.ResNet101_32X8D_Weights
+    .. autoclass:: torchvision.models.ResNeXt101_32X8D_Weights
         :members:
         :noindex:
     """
@@ -421,7 +421,7 @@ def resnext101_64x4d(
         GPU inference is not yet supported.
 
     Args:
-        weights (:class:`~torchvision.models.quantization.ResNet101_64X4D_QuantizedWeights` or :class:`~torchvision.models.ResNet101_64X4D_Weights`, optional): The
+        weights (:class:`~torchvision.models.quantization.ResNeXt101_64X4D_QuantizedWeights` or :class:`~torchvision.models.ResNeXt101_64X4D_Weights`, optional): The
             pretrained weights for the model. See
             :class:`~torchvision.models.quantization.ResNet101_64X4D_QuantizedWeights` below for
             more details, and possible values. By default, no pre-trained
@@ -434,10 +434,10 @@ def resnext101_64x4d(
             <https://github.com/pytorch/vision/blob/main/torchvision/models/quantization.resnet.py>`_
             for more details about this class.
 
-    .. autoclass:: torchvision.models.quantization.ResNet101_64X4D_QuantizedWeights
+    .. autoclass:: torchvision.models.quantization.ResNeXt101_64X4D_QuantizedWeights
         :members:
 
-    .. autoclass:: torchvision.models.ResNet101_64X4D_Weights
+    .. autoclass:: torchvision.models.ResNeXt101_64X4D_Weights
         :members:
         :noindex:
     """