Merge pull request #1531 from AnnMarieW/update-docstrings

Update docstrings to address #1205

Author: alexcjohnson

CHANGELOG.md

@@ -2,6 +2,14 @@
 All notable changes to `dash` will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/).
 
+## UNRELEASED
+
+### Changed
+
+- [#1531](https://github.com/plotly/dash/pull/1531).  Updates the format of the docstrings to make them easier to read in
+  the reference pages of Dash Docs and in the console.  This also addresses [#1205](https://github.com/plotly/dash/issues/1205)
+
+
 ## [1.19.0] - 2021-01-19
 
 ## Dash and Dash Renderer