diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 7e0c656734..6be5f4a5c2 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -21,6 +21,7 @@ Changelog
 
  * Fix: Draftail now supports features specified via the `WAGTAILADMIN_RICH_TEXT_EDITORS` setting (Todd Dembrey)
  * Fix: Password reset form no longer indicates whether the email is recognised, as per standard Django behaviour (Bertrand Bordage)
+ * Fix: `UserAttributeSimilarityValidator` is now correctly enforced on user creation / editing forms (Tim Heap)
 
 
 2.0 (28.02.2018)
diff --git a/docs/releases/2.0.1.rst b/docs/releases/2.0.1.rst
index 9b2309e2d2..bd1469bea6 100644
--- a/docs/releases/2.0.1.rst
+++ b/docs/releases/2.0.1.rst
@@ -15,3 +15,4 @@ Bug fixes
 
  * Draftail now supports features specified via the ``WAGTAILADMIN_RICH_TEXT_EDITORS`` setting (Todd Dembrey)
  * Password reset form no longer indicates whether the email is recognised, as per standard Django behaviour (Bertrand Bordage)
+ * ``UserAttributeSimilarityValidator`` is now correctly enforced on user creation / editing forms (Tim Heap)