diff --git a/lib/inviteform.php b/lib/inviteform.php
index da23d31264..364ca75b9b 100644
--- a/lib/inviteform.php
+++ b/lib/inviteform.php
@@ -41,7 +41,6 @@ require_once INSTALLDIR . '/lib/form.php';
  * @author   Zach Copley <zach@status.net>
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
- *
  */
 class InviteForm extends Form
 {
@@ -95,21 +94,21 @@ class InviteForm extends Form
     {
         $this->out->elementStart('ul', 'form_data');
         $this->out->elementStart('li');
-        // TRANS: Field label for a list of e-mail addresses.
         $this->out->textarea(
             'addresses',
+            // TRANS: Field label for a list of e-mail addresses.
             _('Email addresses'),
             $this->out->trimmed('addresses'),
-            // TRANS: Tooltip for field label for a list of e-mail addresses.
+            // TRANS: Field title for a list of e-mail addresses.
             _('Addresses of friends to invite (one per line).')
         );
         $this->out->elementEnd('li');
         $this->out->elementStart('li');
-        // TRANS: Field label for a personal message to send to invitees.
         $this->out->textarea(
+            // TRANS: Field label for a personal message to send to invitees.
             'personal', _('Personal message'),
             $this->out->trimmed('personal'),
-            // TRANS: Tooltip for field label for a personal message to send to invitees.
+            // TRANS: Field title for a personal message to send to invitees.
             _('Optionally add a personal message to the invitation.')
         );
         $this->out->elementEnd('li');
@@ -123,13 +122,13 @@ class InviteForm extends Form
      */
     function formActions()
     {
-        // TRANS: Send button for inviting friends
         $this->out->submit(
             'send',
+            // TRANS: Send button for inviting friends
             _m('BUTTON','Send'), 'submit form_action-primary',
-            // TRANS: Submit button title.
             'send',
-            _('Send')
+            // TRANS: Submit button title.
+            _('Send invitations.')
         );
     }
 }
diff --git a/plugins/DomainWhitelist/DomainWhitelistPlugin.php b/plugins/DomainWhitelist/DomainWhitelistPlugin.php
index cf0d94884d..da49338fe7 100644
--- a/plugins/DomainWhitelist/DomainWhitelistPlugin.php
+++ b/plugins/DomainWhitelist/DomainWhitelistPlugin.php
@@ -118,7 +118,7 @@ class DomainWhitelistPlugin extends Plugin
                 } else {
                     // TRANS: Client exception thrown when a given e-mailaddress is not in the domain whitelist.
                     // TRANS: %s are whitelisted e-mail domains separated by comma's (localisable).
-                    $message = sprintf(_('Email address must be in one of these domains: %s.'),
+                    $message = sprintf(_m('Email address must be in one of these domains: %s.'),
                                        // TRANS: Separator for whitelisted domains.
                                        implode(_m('SEPARATOR',', '), $whitelist));
                 }
@@ -132,7 +132,7 @@ class DomainWhitelistPlugin extends Plugin
     {
         if (!$this->matchesWhitelist($email)) {
             // TRANS: Exception thrown when an e-mail address does not match the site's domain whitelist.
-            throw new Exception(_('That email address is not allowed on this site.'));
+            throw new Exception(_m('That email address is not allowed on this site.'));
         }
 
         return true;
diff --git a/plugins/DomainWhitelist/lib/whitelistinviteform.php b/plugins/DomainWhitelist/lib/whitelistinviteform.php
index 7ff730e6a8..77a48f92fa 100644
--- a/plugins/DomainWhitelist/lib/whitelistinviteform.php
+++ b/plugins/DomainWhitelist/lib/whitelistinviteform.php
@@ -46,7 +46,7 @@ require_once INSTALLDIR . '/lib/form.php';
 class WhitelistInviteForm extends Form
 {
     private $whitelist = null;
-    
+
     /**
      * Constructor
      *
@@ -86,7 +86,7 @@ class WhitelistInviteForm extends Form
     function formLegend()
     {
         // TRANS: Form legend.
-        $this->out->element('legend', null, _('Invite collegues'));
+        $this->out->element('legend', null, _m('Invite collegues'));
     }
 
     /**
@@ -101,17 +101,17 @@ class WhitelistInviteForm extends Form
             $this->showEmailLI();
         }
         $this->out->elementStart('li');
-        // TRANS: Field label for a personal message to send to invitees.
         $this->out->textarea(
-            'personal', _('Personal message'),
+            // TRANS: Field label for a personal message to send to invitees.
+            'personal', _m('Personal message'),
             $this->out->trimmed('personal'),
-            // TRANS: Tooltip for field label for a personal message to send to invitees.
-            _('Optionally add a personal message to the invitation.')
+            // TRANS: Field title for a personal message to send to invitees.
+            _m('Optionally add a personal message to the invitation.')
         );
         $this->out->elementEnd('li');
         $this->out->elementEnd('ul');
     }
-    
+
     function showEmailLI()
     {
         $this->out->elementStart('li');
@@ -119,8 +119,8 @@ class WhitelistInviteForm extends Form
         $this->out->text('@');
         if (count($this->whitelist) == 1) {
             $this->out->element(
-                'span', 
-                array('class' => 'email_invite'), 
+                'span',
+                array('class' => 'email_invite'),
                 $this->whitelist[0]
            );
            $this->out->hidden('domain[]', $this->whitelist[0]);
@@ -154,10 +154,11 @@ class WhitelistInviteForm extends Form
                 'href'  => 'javascript://',
                 'style' => 'display: none;'
             ),
+            // TRANS: Link description to action to add another item to a list.
             _m('Add another item')
         );
     }
-        
+
     /**
      * Action elements
      *
@@ -165,13 +166,13 @@ class WhitelistInviteForm extends Form
      */
     function formActions()
     {
-        // TRANS: Send button for inviting friends
         $this->out->submit(
             'send',
+            // TRANS: Send button for inviting friends.
             _m('BUTTON','Send'), 'submit form_action-primary',
-            // TRANS: Submit button title.
             'send',
-            _('Send')
+            // TRANS: Submit button title.
+            _m('Send invitations.')
         );
     }
 }