Update docstring of DataFrame.__init__

Author: mrkn

pandas/core/frame.py

@@ -513,12 +513,12 @@ class DataFrame(NDFrame, OpsMixin):
 
     Parameters
     ----------
-    data : ndarray (structured or homogeneous), Iterable, dict, or DataFrame
-        Dict can contain Series, arrays, constants, dataclass or list-like objects. If
-        data is a dict, column order follows insertion-order. If a dict contains Series
-        which have an index defined, it is aligned by its index. This alignment also
-        occurs if data is a Series or a DataFrame itself. Alignment is done on
-        Series/DataFrame inputs.
+    data : ndarray (structured or homogeneous), Iterable, Mapping, or DataFrame
+        Mapping can contain Series, arrays, constants, dataclass or list-like objects.
+        If data is a Mapping, column order follows insertion-order. If a Mapping
+        contains Series which have an index defined, it is aligned by its index. This
+        alignment also occurs if data is a Series or a DataFrame itself. Alignment is
+        done on Series/DataFrame inputs.
 
         If data is a list of dicts, column order follows insertion-order.