CHANGELOG in heartcheck-1.3.0 vs CHANGELOG in heartcheck-1.4.0

@@ -1,6 +1,11 @@
 = Heart Check - Changelog
 
+== Version 1.4.0 :: 2017-12-27
+
+ * Adds property `doc_url` to Checks::Base to provide more details about the
+ failure
+
 == Version 1.3.0 :: 2017-09-21
 
  * Adds the `/environment` endpoint
 
 == Version 1.2.0 :: 2017-03-30