[doc] fix Sphinx versionchanged directive

Change-Id: Ib4e503dc72df4b872ab917f88cdbf323add766b1
---
M pywikibot/data/api/_requests.py
M tests/utils.py
2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/pywikibot/data/api/_requests.py b/pywikibot/data/api/_requests.py
index ee9b4de..2cc5cb7 100644
--- a/pywikibot/data/api/_requests.py
+++ b/pywikibot/data/api/_requests.py
@@ -950,7 +950,7 @@
 
         Also reset last API error with wait cycles.
 
-        .. versionadded: 9.0
+        .. versionadded:: 9.0
 
         :param delay: Minimum time in seconds to wait. Overwrites
             ``retry_wait`` variable if given. The delay doubles each
diff --git a/tests/utils.py b/tests/utils.py
index 1458c09..445075a 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -418,7 +418,7 @@
     def login(self, *args, cookie_only=False, **kwargs):
         """Overwrite login which is called when a site is initialized.
 
-        .. versionadded: 8.0.4
+        .. versionadded:: 8.0.4
         """
         if cookie_only:
             return

