chore: format CHANGES.rst

CHANGES.rst

@@ -2,20 +2,20 @@
 Release notes
 =============
 
-Version 0.4.0, (16-04-2021)
----------------------------
+Version 0.4.0 (16-04-2021)
+--------------------------
 Documentation:
 
-* **docs**: include BDTWS presentation
-* **docs**: clarify that ``time_axis`` should be date or numeric
-* **docs**: initialize spark with both histogrammar jar files
+* Include BDTWS presentation
+* Clarify that ``time_axis`` should be date or numeric
+* Initialize spark with both histogrammar jar files
 
 Build system
 
-* **build**: Migrate to version 1.0.25 of ``histogrammar``.
-* **build**: update ``pyupgrade`` to v2.12.0
-* **build**: update ``isort`` to 5.8.0
-* **build**: update ``flake8`` to 3.9.0
+* Migrate to version 1.0.25 of ``histogrammar``.
+* Update ``pyupgrade`` to v2.12.0
+* Update ``isort`` to 5.8.0
+* Update ``flake8`` to 3.9.0
 
 Version 0.3.14, Feb 2021
 ------------------------