Update CHANGELOG.md

Author: rpkyle

CHANGELOG.md

@@ -4,7 +4,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [0.7.1] - 2020-07-30
 ### Fixed
-- A minor bug in debug mode that the user-defined error messages weren't displayed as warning messages. [#220](https://github.com/plotly/dashR/pull/220).
+- Fixes a minor bug in debug mode that prevented display of user-defined error messages when induced by invoking the `stop` function. [#220](https://github.com/plotly/dashR/pull/220).
 
 ## [0.7.0] - 2020-07-28
 ### Added