diff --git a/js/util.js b/js/util.js
index cd982bbb17..3e4da433af 100644
--- a/js/util.js
+++ b/js/util.js
@@ -771,7 +771,7 @@ var SN = { // StatusNet
form
.addClass('dialogbox')
- .append('')
+ .append('')
.closest('.notice-options')
.addClass('opaque');
diff --git a/lib/action.php b/lib/action.php
index 7f3aea9c1a..4a815c1483 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -460,6 +460,7 @@ class Action extends HTMLOutputter // lawsuit
// TRANS: Localized tooltip for '...' expansion button on overlong remote messages.
$messages['showmore_tooltip'] = _m('TOOLTIP', 'Show more');
+ $messages['popup_close_button'] = _m('TOOLTIP', 'Close popup');
$messages = array_merge($messages, $this->getScriptMessages());