DOC: Fix typo in indexing.rst (#58653)

Fix typo in "Returning a view versus a copy" section

Author: m-ahmadi

doc/source/user_guide/indexing.rst

@@ -1730,7 +1730,7 @@ Returning a view versus a copy
 .. warning::
 
     :ref:`Copy-on-Write <copy_on_write>`
-    will become the new default in pandas 3.0. This means than chained indexing will
+    will become the new default in pandas 3.0. This means that chained indexing will
     never work. As a consequence, the ``SettingWithCopyWarning`` won't be necessary
     anymore.
     See :ref:`this section <copy_on_write_chained_assignment>`