Try to fix rst.

Author: serhiy-storchaka

Doc/whatsnew/3.15.rst

@@ -787,11 +787,11 @@ unicodedata
 * Add the :func:`~unicodedata.iter_graphemes`
   function to iterate over grapheme clusters according to rules defined in
   `Unicode Standard Annex #29, "Unicode Text Segmentation"
-   <https://www.unicode.org/reports/tr29/>`_.
-   Add :func:`~unicodedata.grapheme_cluster_break`,
-   :func:`~unicodedata.indic_conjunct_break` and
-   :func:`~unicodedata.extended_pictographic` functions to get the properties
-   of the character which are related to the above algorithm.
+  <https://www.unicode.org/reports/tr29/>`_.
+  Add :func:`~unicodedata.grapheme_cluster_break`,
+  :func:`~unicodedata.indic_conjunct_break` and
+  :func:`~unicodedata.extended_pictographic` functions to get the properties
+  of the character which are related to the above algorithm.
   (Contributed by Serhiy Storchaka and Guillaume Sanchez in :gh:`74902`.)