update change log

Byron · Byron · commit e76b5379cf55 · 2021-05-13T11:43:15.000+08:00
diff --git a/doc/source/changes.rst b/doc/source/changes.rst
@@ -2,9 +2,18 @@
 Changelog
 =========
 
-3.1.15 
+3.1.16
 ======
 
+* Fix issues from 3.1.15 (see https://github.com/gitpython-developers/GitPython/issues/1223)
+* Add more static typing information
+
+See the following for details:
+https://github.com/gitpython-developers/gitpython/milestone/48?closed=1 
+
+3.1.15  (YANKED)
+================
+
 * add deprectation warning for python 3.5
 
 See the following for details:
