diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/pages/_editor_js.html b/wagtail/wagtailadmin/templates/wagtailadmin/pages/_editor_js.html
index cd4752e26..15bb26589 100644
--- a/wagtail/wagtailadmin/templates/wagtailadmin/pages/_editor_js.html
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/pages/_editor_js.html
@@ -14,7 +14,7 @@
-
+
diff --git a/wagtail/wagtailcore/rich_text.py b/wagtail/wagtailcore/rich_text.py
index 94f7b3cb1..61a42a0f5 100644
--- a/wagtail/wagtailcore/rich_text.py
+++ b/wagtail/wagtailcore/rich_text.py
@@ -83,7 +83,7 @@ class MediaEmbedHandler(object):
Given a dict of attributes from the