diff --git a/Models/QAAnswerMapper.php b/Models/QAAnswerMapper.php
index 8f2b195..e7401ca 100644
--- a/Models/QAAnswerMapper.php
+++ b/Models/QAAnswerMapper.php
@@ -35,12 +35,12 @@ final class QAAnswerMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static array $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_created_by' => ['name' => 'qa_answer_created_by', 'type' => 'int', 'internal' => 'createdBy'],
+        '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/QACategoryMapper.php b/Models/QACategoryMapper.php
index 4abcc48..e78dc9c 100644
--- a/Models/QACategoryMapper.php
+++ b/Models/QACategoryMapper.php
@@ -34,9 +34,9 @@ final class QACategoryMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static array $columns = [
-        '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_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'],
     ];
 
     /**
diff --git a/Models/QAQuestionMapper.php b/Models/QAQuestionMapper.php
index 1a40bf1..ddf4738 100644
--- a/Models/QAQuestionMapper.php
+++ b/Models/QAQuestionMapper.php
@@ -35,13 +35,13 @@ final class QAQuestionMapper extends DataMapperAbstract
      * @since 1.0.0
      */
     protected static array $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_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_created_by' => ['name' => 'qa_question_created_by', 'type' => 'int', 'internal' => 'createdBy'],
+        '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_created_by' => ['name' => 'qa_question_created_by', 'type' => 'int',      'internal' => 'createdBy'],
         'qa_question_created_at' => ['name' => 'qa_question_created_at', 'type' => 'DateTime', 'internal' => 'createdAt'],
     ];