Fixup:Noun capitalisation

Author: davidmiller

changelog.md

@@ -3,16 +3,16 @@
 #### Celery upgrade and Django Celery library change.
 `django-celery` only officially supports Python 3.5 which Opal no longer supports. It is also no longer the recommended solution for results by Celery. So we have removed this dependency and added the `django-celery-results` module that has a similar functionality.
 
-#### Drops support for python 3.5
+#### Drops support for Python 3.5
 Opal now supports Python 3.6 - Python 3.8.
 
 
 ### 0.20.0 (Major Release)
 
 #### Python 3 version changes.
 
-Opal now supports python 3.5 - python 3.8.
-Please note that the 0.21.0 release will drop support for python 3.5.
+Opal now supports Python 3.5 - Python 3.8.
+Please note that the 0.21.0 release will drop support for Python 3.5.
 
 ### Scaffold application episode category