docs: fix doc string in Detections merge function

Author: pirnerjonas

supervision/detection/core.py

@@ -1027,16 +1027,16 @@ def merge(cls, detections_list: List[Detections]) -> Detections:
             detections_1 = sv.Detections(
                 xyxy=np.array([[15, 15, 100, 100], [200, 200, 300, 300]]),
                 class_id=np.array([1, 2]),
-                data={'feature_vector': np.array([0.1, 0.2)])}
-             )
-
+                data={'feature_vector': np.array([0.1, 0.2])}
+            )
+            
             detections_2 = sv.Detections(
                 xyxy=np.array([[30, 30, 120, 120]]),
                 class_id=np.array([1]),
-                data={'feature_vector': [np.array([0.3])]}
-             )
-
-            merged_detections = Detections.merge([detections_1, detections_2])
+                data={'feature_vector': np.array([0.3])}
+            )
+            
+            merged_detections = sv.Detections.merge([detections_1, detections_2])
 
             merged_detections.xyxy
             array([[ 15,  15, 100, 100],