Update section name in changelog.md (#3499)

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com.unity.ml-agents/CHANGELOG.md

 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
-### Major Changes
- - Agent.CollectObservations now takes a VectorSensor argument. It was also overloaded to optionally take an ActionMasker argument. (#3352, #3389)
-
-### Minor Changes
- - Monitor.cs was moved to Examples. (#3372)
- - Automatic stepping for Academy is now controlled from the AutomaticSteppingEnabled property. (#3376)
- - The GetEpisodeCount, GetStepCount, GetTotalStepCount and methods of Academy were changed to EpisodeCount, StepCount, TotalStepCount properties respectively. (#3376)
- - Several classes were changed from public to internal visibility. (#3390)
- - Academy.RegisterSideChannel and UnregisterSideChannel methods were added. (#3391)
- - A tutorial on adding custom SideChannels was added (#3391)
- - Update Barracuda to 0.6.0-preview
+## [0.14.1-preview] - 2020-02-25
-
+- Fixed demonstration recording of experiences when the Agent is done. (#3463)
+- Fixed a bug with the rewards of multiple Agents in the gym interface (#3471, #3496)
 
 ## [0.14.0-preview] - 2020-02-13
 

com.unity.ml-agents/package.json

 {
 	"name": "com.unity.ml-agents",
 	"displayName":"ML Agents",
-	"version": "0.14.0-preview",
+	"version": "0.14.1-preview",
 	"unity": "2018.4",
 	"description": "Add interactivity to your game with Machine Learning Agents trained using Deep Reinforcement Learning.",
 	"dependencies": {

gym-unity/gym_unity/__init__.py

-__version__ = "0.14.0"
+__version__ = "0.14.1"

ml-agents-envs/mlagents_envs/__init__.py

-__version__ = "0.14.0"
+__version__ = "0.14.1"

ml-agents/mlagents/trainers/__init__.py

-__version__ = "0.14.0"
+__version__ = "0.14.1"