Fix typo in docstring in modeling_sam3_tracker.py (#42438)

* Update modeling_sam3_tracker.py

* Apply docstring to modular_sam3_tracker.py for consistency

Added custom introduction to auto_docstring for Sam3TrackerPreTrainedModel. to match typo fix in modeling_sam3_tracker.py

* Fix SAM3 tracker docstrings in modular and regenerate modeling

Author: anranlee99

src/transformers/models/sam3_tracker/modeling_sam3_tracker.py

@@ -107,7 +107,12 @@ def forward(self, hidden_states):
         return hidden_states
 
 
-@auto_docstring
+@auto_docstring(
+    custom_intro="""
+    Segment Anything Model 3 (SAM 3) for generating segmentation masks, given an input image and
+    input points and labels, boxes, or masks.
+    """
+)
 class Sam3TrackerPreTrainedModel(PreTrainedModel):
     config_class = Sam3TrackerConfig
     base_model_prefix = "sam3_tracker"

src/transformers/models/sam3_tracker/modular_sam3_tracker.py

@@ -136,7 +136,12 @@ class Sam3TrackerFeedForward(Sam2FeedForward):
     pass
 
 
-@auto_docstring
+@auto_docstring(
+    custom_intro="""
+    Segment Anything Model 3 (SAM 3) for generating segmentation masks, given an input image and
+    input points and labels, boxes, or masks.
+    """
+)
 class Sam3TrackerPreTrainedModel(Sam2PreTrainedModel):
     @torch.no_grad()
     def _init_weights(self, module):