Correct rST syntax in CHANGELOG.rst (#709)

Author: atugushev

CHANGELOG.rst

@@ -7,9 +7,9 @@ Changelog
 * Enforce that the entire marker string is parsed (:issue:`687`)
 * Requirement parsing no longer automatically validates the URL (:issue:`120`)
 * Canonicalize names for requirements comparison (:issue:`644`)
-* Introduce `metadata.Metadata` (along with `metadata.ExceptionGroup` and `metadata.InvalidMetadata`; :issue:`570`)
-* Introduce the `validate` keyword parameter to `utils.validate_name()` (:issue:`570`)
-* Introduce `utils.is_normalized_name()` (:issue:`570`)
+* Introduce ``metadata.Metadata`` (along with ``metadata.ExceptionGroup`` and ``metadata.InvalidMetadata``; :issue:`570`)
+* Introduce the ``validate`` keyword parameter to ``utils.validate_name()`` (:issue:`570`)
+* Introduce ``utils.is_normalized_name()`` (:issue:`570`)
 
 23.1 - 2023-04-12
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