Update changelog

nils-van-zuijlen · nils-van-zuijlen · commit d9d1052c0967 · 2019-11-17T21:28:57.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -11,7 +11,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 
 ### Changed
-
+- The current versions of `InputPin` have been proven. These are `digital::v1::InputPin` 
+  and `digital::v2::InputPin`.
 
 ## [v0.2.3] - 2019-05-09
 
