CHANGELOG.md: nit
The 1.1.0 "Changed" heading level is not proper.
@@ -10,7 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
> A plan depends as much upon execution as it does upon concept.
-## Changed
+### Changed
* libcontainer will now refuse to build without the nsenter package being
correctly compiled (specifically this requires CGO to be enabled). This
should avoid folks accidentally creating broken runc binaries (and
