diff --git a/spec/API_specification/dataframe_api/dataframe_object.py b/spec/API_specification/dataframe_api/dataframe_object.py
index cd109a7e..179c4d65 100644
--- a/spec/API_specification/dataframe_api/dataframe_object.py
+++ b/spec/API_specification/dataframe_api/dataframe_object.py
@@ -180,27 +180,32 @@ def get_rows_by_mask(self, mask: Column[Bool]) -> DataFrame:
         """
         ...
 
-    def insert_column(self, loc: int, column: Column[Any]) -> DataFrame:
+    def update_columns(self, columns: Column[Any] | Sequence[Column[Any]], /) -> DataFrame:
         """
-        Insert column into DataFrame at specified location.
+        Update values in existing column(s) from Dataframe.
 
-        The column's name will be used as the label in the resulting dataframe.
-        To insert the column with a different name, combine with `Column.rename`,
+        The column's name will be used to tell which column to update.
+        To update a column with a different name, combine with :meth:`Column.rename`,
         e.g.:
 
-        .. code-block :: python
+        .. code-block:: python
 
             new_column = df.get_column_by_name('a') + 1
-            df = df.insert(0, new_column.rename('a_plus_1'))
+            df = df.update_column(new_column.rename('b'))
 
         Parameters
         ----------
-        loc : int
-            Insertion index. Must verify 0 <= loc <= len(columns).
-        column : Column
+        columns : Column | Sequence[Column]
+            Column(s) to update. If updating multiple columns, they must all have
+            different names.
+
+        Returns
+        -------
+        DataFrame
         """
         ...
 
+
     def drop_column(self, label: str) -> DataFrame:
         """
         Drop the specified column.