diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index e1c332d59e..b89efa0d37 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -13,6 +13,7 @@ Changelog
  * Add JavaScript source maps in production build for packaged Wagtail (Thibaud Colas)
  * Removed `assert` statements from Wagtail API (Kim Chee Leong)
  * Update `jquery-datetimepicker` dependency to make Wagtail more CSP-friendly (`unsafe-eval`) (Mike Kamermans)
+ * Added error notification when running the `wagtail` command on Python <3.4 (Matt Westcott)
  * Fix: Status button on 'edit page' now links to the correct URL when live and draft slug differ (LB (Ben Johnston))
  * Fix: Image title text in the gallery and in the chooser now wraps for long filenames (LB (Ben Johnston), Luiz Boaretto)
  * Fix: Move image editor action buttons to the bottom of the form on mobile (Julian Gallo)
diff --git a/docs/releases/2.1.rst b/docs/releases/2.1.rst
index b9f716dccb..0edef93c91 100644
--- a/docs/releases/2.1.rst
+++ b/docs/releases/2.1.rst
@@ -27,6 +27,7 @@ Other features
 * Add JavaScript source maps in production build for packaged Wagtail (Thibaud Colas)
 * Removed ``assert`` statements from Wagtail API (Kim Chee Leong)
 * Update `jquery-datetimepicker` dependency to make Wagtail more CSP-friendly (`unsafe-eval`) (Mike Kamermans)
+* Added error notification when running the ``wagtail`` command on Python <3.4 (Matt Westcott)
 
 Bug fixes
 ~~~~~~~~~