diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc9b65926c..9bcef57a70 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +5,13 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+<!--### Added-->
+
+### Changed
 - Marked `sys::mman::{ mmap, munmap, madvise, munlock, msync }` as unsafe.
   ([#559](https://github.com/nix-rust/nix/pull/559))
+  
+<!--### Fixed-->
 
 ## [0.8.0] 2017-03-02