changelog for 3.1.1

CHANGELOG.md

@@ -4,8 +4,10 @@ All notable changes to this project will be documented in this file. Dates are d
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
-#### [Unreleased](https://github.com/minrk/wurlitzer/compare/3.1.0...HEAD)
+#### [3.1.1](https://github.com/minrk/wurlitzer/compare/3.1.0...3.1.1)
 
+- fix restore after capture with optimized file pipes [`#89`](https://github.com/minrk/wurlitzer/pull/89)
+- Minor readme clarification [`#86`](https://github.com/minrk/wurlitzer/pull/86)
 - sys_pipes: check that sys.stdout isn't being forwarded to itself [`#85`](https://github.com/minrk/wurlitzer/pull/85)
 
 #### [3.1.0](https://github.com/minrk/wurlitzer/compare/3.0.3...3.1.0)