Fixed the documentation for pandas.DataFrame.set_index inplace parameter (#37555)

* Fixed the documentation for pandas.DataFrame.set_index inplace parameter

Fixed the documentation for pandas.DataFrame.set_index inplace parameter.

* "set to" was removed to make it work fine.

@jbrockmendel For your suggestion. Also Thanks to @pep8speaks @arw2019

Author: PurushothamanSrikanth

pandas/core/frame.py

@@ -4570,7 +4570,7 @@ def set_index(
         append : bool, default False
             Whether to append columns to existing index.
         inplace : bool, default False
-            Modify the DataFrame in place (do not create a new object).
+            If True, modifies the DataFrame in place (do not create a new object).
         verify_integrity : bool, default False
             Check the new index for duplicates. Otherwise defer the check until
             necessary. Setting to False will improve the performance of this