Update translator documentation.

actions/profilesettings.php

@@ -205,7 +205,7 @@ class ProfilesettingsAction extends SettingsAction
         }
         $this->elementStart('li');
         $this->checkbox('private_stream',
-                        // TRANS: 
+                        // TRANS: Checkbox label in profile settings.
                         _('Make updates visible only to my followers'),
                         ($this->arg('private_stream')) ?
                         $this->boolean('private_stream') : $user->private_stream);

classes/Notice.php

@@ -351,6 +351,7 @@ class Notice extends Memcached_DataObject
             $repeat = Notice::staticGet('id', $repeat_of);
 
             if (empty($repeat)) {
+                // TRANS: Client exception thrown in notice when trying to repeat a missing or deleted notice.
                 throw new ClientException(_('Cannot repeat; original notice is missing or deleted.'));
             }