Mention errcheck in the CL.
@@ -11,6 +11,8 @@ Versioning](http://semver.org/spec/v2.0.0.html).
### Changed
- Events that transitioned from incidents to a healthy state are no longer
filtered by the pipeline
+- Errcheck was added to the build script, and the project was given a once-over
+to clean up existing errcheck lint.
### Fixed
- Entities can now be silenced using their entity subscription
