diff --git a/README.md b/README.md
index 1faf2d1..18b7642 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ To install the extension you have to do the following steps:
 
 ## Requirements
 * php 5.3.3 or newer
-* phpBB 3.1.*
+* phpBB 3.1.* or newer
 
 ## External links
 [phpBB extension database](https://www.phpbb.com/customise/db/extension/pmnamesuggestions/ "Show extension entry on phpBB.com")
diff --git a/pcgf/pmnamesuggestions/acp/pmnamesuggestions_info.php b/pcgf/pmnamesuggestions/acp/pmnamesuggestions_info.php
index 4694138..f07bd41 100644
--- a/pcgf/pmnamesuggestions/acp/pmnamesuggestions_info.php
+++ b/pcgf/pmnamesuggestions/acp/pmnamesuggestions_info.php
@@ -8,7 +8,7 @@
 
 namespace pcgf\pmnamesuggestions\acp;
 
-/** @version 1.1.0 */
+/** @version 1.1.1 */
 class pmnamesuggestions_info
 {
     /**
@@ -23,7 +23,6 @@ public function module()
         return array(
             'filename' => '\pcgf\pmnamesuggestions\acp\pmnamesuggestions_module',
             'title'    => 'ACP_PCGF_PMNAMESUGGESTIONS',
-            'version'  => '1.1.0',
             'modes'    => array(
                 'settings' => array(
                     'title' => 'ACP_PCGF_PMNAMESUGGESTIONS',
diff --git a/pcgf/pmnamesuggestions/acp/pmnamesuggestions_module.php b/pcgf/pmnamesuggestions/acp/pmnamesuggestions_module.php
index a75a9b4..afb7bd4 100644
--- a/pcgf/pmnamesuggestions/acp/pmnamesuggestions_module.php
+++ b/pcgf/pmnamesuggestions/acp/pmnamesuggestions_module.php
@@ -27,9 +27,7 @@ class pmnamesuggestions_module
      * @since  1.1.0
      *
      * @param int    $id   The module id
-     * @param string $mode The mode the module is beeing called with
-     *
-     * @return null
+     * @param string $mode The mode the module is being called with
      */
     public function main($id, $mode)
     {
diff --git a/pcgf/pmnamesuggestions/composer.json b/pcgf/pmnamesuggestions/composer.json
index 7e6b061..4145ac9 100644
--- a/pcgf/pmnamesuggestions/composer.json
+++ b/pcgf/pmnamesuggestions/composer.json
@@ -3,8 +3,8 @@
 	"type": "phpbb-extension",
 	"description": "An extension that suggests usernames when selecting a recipient of a private message",
 	"homepage": "https://github.com/MarkusWME/phpBB---PM-Name-Suggestions",
-	"version": "1.1.0",
-	"time": "2016-12-11",
+	"version": "1.1.1",
+	"time": "2017-01-27",
 	"keywords": ["pm", "private message", "recipient", "username", "suggestion"],
 	"license": "GPL-2.0",
 	"authors": [
diff --git a/pcgf/pmnamesuggestions/config/services.yml b/pcgf/pmnamesuggestions/config/services.yml
index c042968..df76985 100644
--- a/pcgf/pmnamesuggestions/config/services.yml
+++ b/pcgf/pmnamesuggestions/config/services.yml
@@ -2,17 +2,17 @@ services:
     pcgf.pmnamesuggestions.listener:
         class: pcgf\pmnamesuggestions\event\listener
         arguments:
-            - @template
-            - @controller.helper
-            - @config
+            - '@template'
+            - '@controller.helper'
+            - '@config'
         tags:
             - { name: event.listener }
     pcgf.pmnamesuggestions.controller:
         class: pcgf\pmnamesuggestions\controller\controller
         arguments:
-            - @request
-            - @dbal.conn
-            - @auth
-            - @user
-            - @config
-            - %core.root_path%
\ No newline at end of file
+            - '@request'
+            - '@dbal.conn'
+            - '@auth'
+            - '@user'
+            - '@config'
+            - '%core.root_path%'
\ No newline at end of file
diff --git a/pcgf/pmnamesuggestions/controller/controller.php b/pcgf/pmnamesuggestions/controller/controller.php
index 5156e3d..6c5ddd0 100644
--- a/pcgf/pmnamesuggestions/controller/controller.php
+++ b/pcgf/pmnamesuggestions/controller/controller.php
@@ -8,24 +8,29 @@
 
 namespace pcgf\pmnamesuggestions\controller;
 
-use Symfony\Component\HttpFoundation\Response;
+use phpbb\auth\auth;
+use phpbb\config\config;
+use phpbb\db\driver\factory;
+use phpbb\json_response;
+use phpbb\request\request;
+use phpbb\user;
 
-/** @version 1.1.0 */
+/** @version 1.1.1 */
 class controller
 {
-    /** @var \phpbb\request\request $request Request object */
+    /** @var request $request Request object */
     protected $request;
 
-    /** @var \phpbb\db\driver\factory $db Database object */
+    /** @var factory $db Database object */
     protected $db;
 
-    /** @var \phpbb\auth\auth $auth Authenticator object */
+    /** @var auth $auth Authenticator object */
     protected $auth;
 
-    /** @var \phpbb\user $user User object */
+    /** @var user $user User object */
     protected $user;
 
-    /** @var  \phpbb\config\config $config Configuration object */
+    /** @var  config $config Configuration object */
     protected $config;
 
     /** @var  string $phpbb_root_path The forum root path */
@@ -37,16 +42,14 @@ class controller
      * @access public
      * @since  1.0.0
      *
-     * @param \phpbb\request\request\  $request         Request object
-     * @param \phpbb\db\driver\factory $db              Database object
-     * @param \phpbb\auth\auth         $auth            Authenticator object
-     * @param \phpbb\user              $user            User object
-     * @param \phpbb\config\config     $config          Configuration object
-     * @param  string                  $phpbb_root_path The forum root path
-     *
-     * @return \pcgf\pmnamesuggestions\controller\controller The controller object of the extension
+     * @param request $request         Request object
+     * @param factory $db              Database object
+     * @param auth    $auth            Authenticator object
+     * @param user    $user            User object
+     * @param config  $config          Configuration object
+     * @param string  $phpbb_root_path The forum root path
      */
-    public function __construct(\phpbb\request\request $request, \phpbb\db\driver\factory $db, \phpbb\auth\auth $auth, \phpbb\user $user, \phpbb\config\config $config, $phpbb_root_path)
+    public function __construct(request $request, factory $db, auth $auth, user $user, config $config, $phpbb_root_path)
     {
         $this->request = $request;
         $this->db = $db;
@@ -61,11 +64,10 @@ public function __construct(\phpbb\request\request $request, \phpbb\db\driver\fa
      *
      * @access public
      * @since  1.0.0
-     * @return null
      */
     public function getNameSuggestions()
     {
-        $response = new \phpbb\json_response();
+        $response = new json_response();
         $users = array();
         // Only allow JSON requests
         if ($this->request->is_ajax())
diff --git a/pcgf/pmnamesuggestions/event/listener.php b/pcgf/pmnamesuggestions/event/listener.php
index b78be6f..e8eae4f 100644
--- a/pcgf/pmnamesuggestions/event/listener.php
+++ b/pcgf/pmnamesuggestions/event/listener.php
@@ -8,18 +8,21 @@
 
 namespace pcgf\pmnamesuggestions\event;
 
+use phpbb\config\config;
+use phpbb\controller\helper;
+use phpbb\template\template;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
-/** @version 1.1.0 */
+/** @version 1.1.1 */
 class listener implements EventSubscriberInterface
 {
-    /** @var \phpbb\template\template $template Template object */
+    /** @var template $template Template object */
     protected $template;
 
-    /** @var \phpbb\controller\helper $helper Helper object */
+    /** @var helper $helper Helper object */
     protected $helper;
 
-    /** @var  \phpbb\config\config $config Configuration object */
+    /** @var config $config Configuration object */
     protected $config;
 
     /**
@@ -28,13 +31,11 @@ class listener implements EventSubscriberInterface
      * @access public
      * @since  1.0.0
      *
-     * @param \phpbb\template\template $template Template object
-     * @param \phpbb\controller\helper $helper   Helper object
-     * @param \phpbb\config\config     $config   Configuration object
-     *
-     * @return \pcgf\pmnamesuggestions\event\listener The listener object of the extension
+     * @param template $template Template object
+     * @param helper   $helper   Helper object
+     * @param config   $config   Configuration object
      */
-    public function __construct(\phpbb\template\template $template, \phpbb\controller\helper $helper, \phpbb\config\config $config)
+    public function __construct(template $template, helper $helper, config $config)
     {
         $this->template = $template;
         $this->helper = $helper;
@@ -60,14 +61,13 @@ static public function getSubscribedEvents()
      *
      * @access public
      * @since  1.0.0
-     * @return null
      */
-    public function add_pmnamesuggestion_css($event)
+    public function add_pmnamesuggestion_css()
     {
         $this->template->assign_vars(array(
             'PM_NAME_SUGGESTIONS'                => true,
             'PCGF_PM_NAME_SUGGESTION_URL'        => $this->helper->route('pcgf_pmnamesuggestions_controller'),
-            'PCGF_PM_NAME_SOGGESTION_IMAGE_SIZE' => $this->config['pcgf_pmnamesuggestions_avatar_image_size'],
+            'PCGF_PM_NAME_SUGGESTION_IMAGE_SIZE' => $this->config['pcgf_pmnamesuggestions_avatar_image_size'],
         ));
     }
 }
diff --git a/pcgf/pmnamesuggestions/styles/all/template/event/posting_pm_layout_include_pm_header_after.html b/pcgf/pmnamesuggestions/styles/all/template/event/posting_pm_layout_include_pm_header_after.html
index 4ef8d08..b8efcf4 100644
--- a/pcgf/pmnamesuggestions/styles/all/template/event/posting_pm_layout_include_pm_header_after.html
+++ b/pcgf/pmnamesuggestions/styles/all/template/event/posting_pm_layout_include_pm_header_after.html
@@ -1,6 +1,6 @@
 <div id="pcgf_pmnamesuggestionlist" class="pcgf-hidden"></div>
 <script type="text/javascript">
     var pcgfPMNameSuggestionURL = '{PCGF_PM_NAME_SUGGESTION_URL}';
-    var pcgfPMNameSuggestionImageSize = '{PCGF_PM_NAME_SOGGESTION_IMAGE_SIZE}';
+    var pcgfPMNameSuggestionImageSize = '{PCGF_PM_NAME_SUGGESTION_IMAGE_SIZE}';
 </script>
 <!-- INCLUDEJS @pcgf_pmnamesuggestions/javascript/namesuggestions.js -->
\ No newline at end of file