diff --git a/docs/releases/1.4.txt b/docs/releases/1.4.txt
index e0bef0b56e2..76e67306aa3 100644
--- a/docs/releases/1.4.txt
+++ b/docs/releases/1.4.txt
@@ -524,6 +524,11 @@ Django 1.4 also includes several smaller improvements worth noting:
   documentation about :ref:`the 403 (HTTP Forbidden) view<http_forbidden_view>`
   for more information.
 
+* The :djadmin:`makemessages` command uses a new and more accurate lexer,
+  `JsLex`_, for extracting translatable strings from JavaScript files.
+
+.. _JsLex: https://bitbucket.org/ned/jslex
+
 * The :ttag:`trans` template tag now takes an optional ``as`` argument to
   be able to retrieve a translation string without displaying it but setting
   a template context variable instead.