Tidy up the additional string module tests added at the Pycon sprints (closes #11505)
diff --git a/Misc/NEWS b/Misc/NEWS
index ff7ed66..ce5a1d2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -852,8 +852,8 @@
 
 - Issue #11503: improve test coverage of posixpath.py. Patch by Evan Dandrea.
 
-- Issue #11505: improves test coverage of string.py. Patch by Alicia
-  Arlen.
+- Issue #11505: improves test coverage of string.py, increases granularity of
+  string.Formatter tests. Initial patch by Alicia Arlen.
 
 - Issue #11548: Improve test coverage of the shutil module. Patch by
   Evan Dandrea.