diff --git a/Models/QAAnswerMapper.php b/Models/QAAnswerMapper.php
index acb324a..565b05d 100644
--- a/Models/QAAnswerMapper.php
+++ b/Models/QAAnswerMapper.php
@@ -37,11 +37,11 @@ class QAAnswerMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static $columns = [
-        'qa_answer_id'      => ['name' => 'qa_answer_id', 'type' => 'int', 'internal' => 'id'],
-        'qa_answer_answer'    => ['name' => 'qa_answer_answer', 'type' => 'string', 'internal' => 'answer'],
-        'qa_answer_question'    => ['name' => 'qa_answer_question', 'type' => 'int', 'internal' => 'question'],
-        'qa_answer_status'  => ['name' => 'qa_answer_status', 'type' => 'int', 'internal' => 'status'],
-        'qa_answer_accepted'  => ['name' => 'qa_answer_accepted', 'type' => 'bool', 'internal' => 'isAccepted'],
+        'qa_answer_id'         => ['name' => 'qa_answer_id', 'type' => 'int', 'internal' => 'id'],
+        'qa_answer_answer'     => ['name' => 'qa_answer_answer', 'type' => 'string', 'internal' => 'answer'],
+        'qa_answer_question'   => ['name' => 'qa_answer_question', 'type' => 'int', 'internal' => 'question'],
+        'qa_answer_status'     => ['name' => 'qa_answer_status', 'type' => 'int', 'internal' => 'status'],
+        'qa_answer_accepted'   => ['name' => 'qa_answer_accepted', 'type' => 'bool', 'internal' => 'isAccepted'],
         'qa_answer_created_by' => ['name' => 'qa_answer_created_by', 'type' => 'int', 'internal' => 'createdBy'],
         'qa_answer_created_at' => ['name' => 'qa_answer_created_at', 'type' => 'DateTime', 'internal' => 'createdAt'],
     ];
diff --git a/Models/QABadgeMapper.php b/Models/QABadgeMapper.php
index b53a327..08e61d8 100644
--- a/Models/QABadgeMapper.php
+++ b/Models/QABadgeMapper.php
@@ -37,8 +37,8 @@ class QABadgeMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static $columns = [
-        'qa_badge_id'      => ['name' => 'qa_badge_id', 'type' => 'int', 'internal' => 'id'],
-        'qa_badge_name'   => ['name' => 'qa_badge_name', 'type' => 'string', 'internal' => 'name'],
+        'qa_badge_id'   => ['name' => 'qa_badge_id', 'type' => 'int', 'internal' => 'id'],
+        'qa_badge_name' => ['name' => 'qa_badge_name', 'type' => 'string', 'internal' => 'name'],
     ];
 
     /**
diff --git a/Models/QACategoryMapper.php b/Models/QACategoryMapper.php
index e8fad1b..d5cfea1 100644
--- a/Models/QACategoryMapper.php
+++ b/Models/QACategoryMapper.php
@@ -37,9 +37,9 @@ class QACategoryMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static $columns = [
-        'qa_category_id'      => ['name' => 'qa_category_id', 'type' => 'int', 'internal' => 'id'],
+        'qa_category_id'     => ['name' => 'qa_category_id', 'type' => 'int', 'internal' => 'id'],
         'qa_category_name'   => ['name' => 'qa_category_name', 'type' => 'string', 'internal' => 'name'],
-        'qa_category_parent'  => ['name' => 'qa_category_parent', 'type' => 'int', 'internal' => 'parent'],
+        'qa_category_parent' => ['name' => 'qa_category_parent', 'type' => 'int', 'internal' => 'parent'],
     ];
 
     /**
diff --git a/Models/QAQuestionMapper.php b/Models/QAQuestionMapper.php
index 96945cf..e9a7b96 100644
--- a/Models/QAQuestionMapper.php
+++ b/Models/QAQuestionMapper.php
@@ -37,12 +37,12 @@ class QAQuestionMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static $columns = [
-        'qa_question_id'      => ['name' => 'qa_question_id', 'type' => 'int', 'internal' => 'id'],
-        'qa_question_title'   => ['name' => 'qa_question_title', 'type' => 'string', 'internal' => 'name'],
+        'qa_question_id'         => ['name' => 'qa_question_id', 'type' => 'int', 'internal' => 'id'],
+        'qa_question_title'      => ['name' => 'qa_question_title', 'type' => 'string', 'internal' => 'name'],
         'qa_question_language'   => ['name' => 'qa_question_language', 'type' => 'string', 'internal' => 'language'],
-        'qa_question_question'    => ['name' => 'qa_question_question', 'type' => 'string', 'internal' => 'question'],
-        'qa_question_status'  => ['name' => 'qa_question_status', 'type' => 'int', 'internal' => 'status'],
-        'qa_question_category'  => ['name' => 'qa_question_category', 'type' => 'int', 'internal' => 'category'],
+        'qa_question_question'   => ['name' => 'qa_question_question', 'type' => 'string', 'internal' => 'question'],
+        'qa_question_status'     => ['name' => 'qa_question_status', 'type' => 'int', 'internal' => 'status'],
+        'qa_question_category'   => ['name' => 'qa_question_category', 'type' => 'int', 'internal' => 'category'],
         'qa_question_created_by' => ['name' => 'qa_question_created_by', 'type' => 'int', 'internal' => 'createdBy'],
         'qa_question_created_at' => ['name' => 'qa_question_created_at', 'type' => 'DateTime', 'internal' => 'createdAt'],
     ];
@@ -54,17 +54,17 @@ class QAQuestionMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static $hasMany = [
-        'badges' => [
-            'mapper'         => QABadgeMapper::class,
-            'table'          => 'qa_question_badge',
-            'src'            => 'qa_question_badge_badge',
-            'dst'            => 'qa_question_badge_question',
+        'badges'  => [
+            'mapper' => QABadgeMapper::class,
+            'table'  => 'qa_question_badge',
+            'src'    => 'qa_question_badge_badge',
+            'dst'    => 'qa_question_badge_question',
         ],
         'answers' => [
-            'mapper'         => QAAnswerMapper::class,
-            'table'          => 'qa_answer',
-            'dst'            => 'qa_answer_question',
-            'src'            => null,
+            'mapper' => QAAnswerMapper::class,
+            'table'  => 'qa_answer',
+            'dst'    => 'qa_answer_question',
+            'src'    => null,
         ],
     ];
 
@@ -76,8 +76,8 @@ class QAQuestionMapper extends DataMapperAbstract
      */
     protected static $ownsOne = [
         'category' => [
-            'mapper'         => QACategoryMapper::class,
-            'dst'            => 'qa_question_category',
+            'mapper' => QACategoryMapper::class,
+            'dst'    => 'qa_question_category',
         ],
     ];