CHANGELOG.md in govuk_navigation_helpers-3.1.0 vs CHANGELOG.md in govuk_navigation_helpers-3.1.1

@@ -1,4 +1,8 @@
+## 3.1.1
+
+* Remove `notice` from list of guidance document types.
+
 ## 3.1.0
 
 * Allow a statsd client to be passed in via configuration options. This will
   allow us to track how many Rummager searches we run and how long they take.