diff --git a/Controller.php b/Controller.php
index 843a40b..46471e3 100644
--- a/Controller.php
+++ b/Controller.php
@@ -224,7 +224,7 @@ class Controller extends ModuleAbstract implements WebInterface
     public function createQAQuestionFromRquest(RequestAbstract $request) : QAQuestion
     {
         $mardkownParser = new Markdown();
-        
+
         $question = new QAQuestion();
         $question->setName((string) $request->getData('title'));
         $question->setQuestion((string) $request->getData('plain'));
@@ -272,7 +272,7 @@ class Controller extends ModuleAbstract implements WebInterface
     public function createQAAnswerFromRquest(RequestAbstract $request) : QAAnswer
     {
         $mardkownParser = new Markdown();
-        
+
         $answer = new QAAnswer();
         $answer->setName((string) $request->getData('title'));
         $answer->setQuestion((string) $request->getData('plain'));
@@ -316,7 +316,7 @@ class Controller extends ModuleAbstract implements WebInterface
     public function createQACategoryFromRquest(RequestAbstract $request) : QACategory
     {
         $mardkownParser = new Markdown();
-        
+
         $category = new QACategory();
         $category->setName((string) $request->getData('title'));
         $category->setParent((int) $request->getData('parent'));
@@ -353,7 +353,7 @@ class Controller extends ModuleAbstract implements WebInterface
     public function createQABadgeFromRquest(RequestAbstract $request) : QABadge
     {
         $mardkownParser = new Markdown();
-        
+
         $badge = new QABadge();
         $badge->setName((string) $request->getData('title'));
 
diff --git a/Models/QAAnswer.php b/Models/QAAnswer.php
index 372ad0d..b390b81 100644
--- a/Models/QAAnswer.php
+++ b/Models/QAAnswer.php
@@ -77,7 +77,7 @@ class QAAnswer implements \JsonSerializable
     {
         $this->status = $status;
     }
-    
+
     public function setAccepted(bool $accepted) /* : void */
     {
         $this->isAccepted = $accepted;
diff --git a/Models/QAQuestion.php b/Models/QAQuestion.php
index bc4beae..636b948 100644
--- a/Models/QAQuestion.php
+++ b/Models/QAQuestion.php
@@ -54,7 +54,7 @@ class QAQuestion implements \JsonSerializable
         return $this->id;
     }
 
-    public function hasAccepted() : bool 
+    public function hasAccepted() : bool
     {
         foreach ($this->answers as $answer) {
             if ($answer->isAccepted()) {
diff --git a/Models/QAQuestionStatus.php b/Models/QAQuestionStatus.php
index cb899ea..b561240 100644
--- a/Models/QAQuestionStatus.php
+++ b/Models/QAQuestionStatus.php
@@ -29,6 +29,6 @@ abstract class QAQuestionStatus extends Enum
     /* public */ const ACTIVE = 1;
 
     /* public */ const INACTIVE = 2;
-    
+
     /* public */ const BLOCKED = 4;
 }
diff --git a/Theme/Backend/qa-question.tpl.php b/Theme/Backend/qa-question.tpl.php
index e5fdff1..2f44ecd 100644
--- a/Theme/Backend/qa-question.tpl.php
+++ b/Theme/Backend/qa-question.tpl.php
@@ -2,7 +2,7 @@
 $question = $this->getData('question');
 $answers = $question->getAnswers();
 
-echo $this->getData('nav')->render(); 
+echo $this->getData('nav')->render();
 ?>
 
 <div class="row">
diff --git a/Theme/Backend/qa-tag-edit.tpl.php b/Theme/Backend/qa-tag-edit.tpl.php
index 6b7d306..a4e5f1c 100644
--- a/Theme/Backend/qa-tag-edit.tpl.php
+++ b/Theme/Backend/qa-tag-edit.tpl.php
@@ -21,6 +21,6 @@ echo $this->getData('nav')->render();
 
 <div class="row">
     <div class="col-xs-12">
-        
+
     </div>
 </div>
\ No newline at end of file