diff --git a/plugins/Mapstraction/MapstractionPlugin.php b/plugins/Mapstraction/MapstractionPlugin.php
index e7240a6449..c4ba6464ea 100644
--- a/plugins/Mapstraction/MapstractionPlugin.php
+++ b/plugins/Mapstraction/MapstractionPlugin.php
@@ -44,7 +44,6 @@ if (!defined('STATUSNET')) {
  *
  * @seeAlso  Location
  */
-
 class MapstractionPlugin extends Plugin
 {
     const VERSION = STATUSNET_VERSION;
@@ -64,7 +63,6 @@ class MapstractionPlugin extends Plugin
      *
      * @return boolean event handler return
      */
-
     function onRouterInitialized($m)
     {
         $m->connect(':nickname/all/map',
@@ -85,7 +83,6 @@ class MapstractionPlugin extends Plugin
      *
      * @return boolean event handler return
      */
-
     function onAutoload($cls)
     {
         switch ($cls)
@@ -109,7 +106,6 @@ class MapstractionPlugin extends Plugin
      *
      * @return boolean event handler return
      */
-
     function onEndShowScripts($action)
     {
         $actionName = $action->trimmed('action');
@@ -190,6 +186,7 @@ class MapstractionPlugin extends Plugin
                                     array('nickname' => $action->trimmed('nickname')));
 
         $action->element('a', array('href' => $mapUrl),
+                         // TRANS: Clickable item to allow opening the map in full size.
                          _m("Full size"));
 
         $action->elementEnd('div');
@@ -203,8 +200,7 @@ class MapstractionPlugin extends Plugin
                             'homepage' => 'http://status.net/wiki/Plugin:Mapstraction',
                             'rawdescription' =>
                             _m('Show maps of users\' and friends\' notices '.
-                               'with <a href="http://www.mapstraction.com/">Mapstraction</a> '.
-                               'JavaScript library.'));
+                               'with <a href="http://www.mapstraction.com/">Mapstraction</a>.'));
         return true;
     }
 }
diff --git a/plugins/Mapstraction/allmap.php b/plugins/Mapstraction/allmap.php
index 5dab670e26..fa05ccc7ae 100644
--- a/plugins/Mapstraction/allmap.php
+++ b/plugins/Mapstraction/allmap.php
@@ -42,7 +42,6 @@ if (!defined('STATUSNET')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 class AllmapAction extends MapAction
 {
     function prepare($args)
@@ -63,16 +62,22 @@ class AllmapAction extends MapAction
     function title()
     {
         if (!empty($this->profile->fullname)) {
+            // @todo FIXME: Bad i18n. Should be "%1$s (%2$s)".
             $base = $this->profile->fullname . ' (' . $this->user->nickname . ') ';
         } else {
             $base = $this->user->nickname;
         }
 
         if ($this->page == 1) {
+            // TRANS: Page title.
+            // TRANS: %s is a user nickname.
             return sprintf(_m("%s friends map"),
                            $base);
         } else {
-            return sprintf(_m("%s friends map, page %d"),
+            // @todo CHECKME: does this even happen? May not be needed.
+            // TRANS: Page title.
+            // TRANS: %1$s is a user nickname, %2$d is a page number.
+            return sprintf(_m("%1$s friends map, page %2$d"),
                            $base,
                            $this->page);
         }
diff --git a/plugins/Mapstraction/map.php b/plugins/Mapstraction/map.php
index 7dab8e10a9..50ff82b67e 100644
--- a/plugins/Mapstraction/map.php
+++ b/plugins/Mapstraction/map.php
@@ -42,7 +42,6 @@ if (!defined('STATUSNET')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 class MapAction extends OwnerDesignAction
 {
     var $profile = null;
@@ -116,7 +115,6 @@ class MapAction extends OwnerDesignAction
      *
      * @return boolean event handler return
      */
-
     function showScripts()
     {
         parent::showScripts();
diff --git a/plugins/Mapstraction/usermap.php b/plugins/Mapstraction/usermap.php
index 094334f605..0ee956159c 100644
--- a/plugins/Mapstraction/usermap.php
+++ b/plugins/Mapstraction/usermap.php
@@ -42,10 +42,8 @@ if (!defined('STATUSNET')) {
  * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  * @link     http://status.net/
  */
-
 class UsermapAction extends MapAction
 {
-
     function prepare($args)
     {
         if(parent::prepare($args)) {
@@ -61,14 +59,17 @@ class UsermapAction extends MapAction
     function title()
     {
         if (!empty($this->profile->fullname)) {
-            $base = $this->profile->fullname . ' (' . $this->user->nickname . ') ';
+            // @todo FIXME: Bad i18n. Should be '%1$s (%2$s)'
+            $base = $this->profile->fullname . ' (' . $this->user->nickname . ')';
         } else {
             $base = $this->user->nickname;
         }
 
         if ($this->page == 1) {
+            // @todo CHECKME: inconsisten with paged variant below. " map" missing.
             return $base;
         } else {
+            // @todo CHECKME: Is the part ", page %2$d" relevant here?
             return sprintf(_m("%s map, page %d"),
                            $base,
                            $this->page);