Improve docstring of image classifier model spec.

PiperOrigin-RevId: 515466722

mediapipe/model_maker/python/vision/image_classifier/model_spec.py

@@ -28,7 +28,7 @@ class ModelSpec(object):
                uri: str,
                input_image_shape: Optional[List[int]] = None,
                name: str = ''):
-    """Initializes a new instance of the `ImageModelSpec` class.
+    """Initializes a new instance of the image classifier `ModelSpec` class.
 
     Args:
       uri: str, URI to the pretrained model.