DOC: Fix minor typo in indexing.rst (pandas-dev#57206)

Author: chris-hewitt

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>`
@@ -1784,7 +1784,7 @@ Why does assignment fail when using chained indexing?
 .. 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>`