DOC: discourage use of inplace=True in comparion pages

Author: afeld

doc/source/getting_started/comparison/includes/copies.rst

@@ -1,20 +1,23 @@
 Most pandas operations return copies of the ``Series``/``DataFrame``. To make the changes "stick",
-you'll need to either:
-
-* Assign back to the same variable
+you'll need to either assign to a new variable:
 
    .. code-block:: python
 
-      df = df.sort_values("col1")
+      sorted_df = df.sort_values("col1")
+
 
-* Assign to a new variable
+or overwrite the original one:
 
    .. code-block:: python
 
-      sorted_df = df.sort_values("col1")
+      df = df.sort_values("col1")
 
-* Use the ``inplace=True`` keyword argument, where available
+.. note::
+
+   You will see an ``inplace=True`` keyword argument available for some methods:
 
    .. code-block:: python
 
       df.sort_values("col1", inplace=True)
+
+   Its use is discouraged. :ref:`More information. <indexing.view_versus_copy>`