Update CHANGELOG.md

Author: linkdotnet

CHANGELOG.md

@@ -6,7 +6,7 @@ All notable changes to **ValueStringBuilder** will be documented in this file. T
 
 ## [Unreleased]
 
-###Added
+### Added
  - `Contains` method.
 
 ### Fixed
@@ -80,4 +80,4 @@ This release brings extensions to the `ValueStringBuilder` API. For `v1.0` the `
 
 [1.0.0]: https://github.com/linkdotnet/StringBuilder/compare/0.9.5...1.0.0
 
-[0.9.5]: https://github.com/linkdotnet/StringBuilder/compare/0.9.4...0.9.5
+[0.9.5]: https://github.com/linkdotnet/StringBuilder/compare/0.9.4...0.9.5