Update revision history for 0.570 (#4662)

msullivan · msullivan · commit 3629838e1d88 · 2018-03-02T13:05:10.000-08:00
diff --git a/docs/source/revision_history.rst b/docs/source/revision_history.rst
@@ -3,6 +3,11 @@ Revision history
 
 List of major changes:
 
+- March 2018
+    * Publish ``mypy`` version 0.570 on PyPI.
+
+      * Add support for :ref:`attrs_package`.
+
 - December 2017
     * Publish ``mypy`` version 0.560 on PyPI.
 
