diff --git a/database/migrations/2019_08_29_075029_create_dataset_titles_table.php b/database/migrations/2019_08_29_075029_create_dataset_titles_table.php
index b5fc6a3..7c8d858 100644
--- a/database/migrations/2019_08_29_075029_create_dataset_titles_table.php
+++ b/database/migrations/2019_08_29_075029_create_dataset_titles_table.php
@@ -20,7 +20,7 @@ class CreateDatasetTitlesTable extends Migration
             $table->foreign('document_id')->references('id')->on('documents')
                 ->onUpdate('cascade')->onDelete('cascade');
 
-            $table->enum('type', ['sub' => 'sub', 'alternative' => 'alternative', 'translated' => 'translated', 'other' => 'other']);
+            $table->enum('type', ['main' => 'main', 'sub' => 'sub', 'alternative' => 'alternative', 'translated' => 'translated', 'other' => 'other']);
             $table->string('value', 255);
             $table->string('language', 3);
         });
diff --git a/database/migrations/2019_08_29_075729_create_dataset_abstracts_table.php b/database/migrations/2019_08_29_075729_create_dataset_abstracts_table.php
index cc11d6a..76b9a26 100644
--- a/database/migrations/2019_08_29_075729_create_dataset_abstracts_table.php
+++ b/database/migrations/2019_08_29_075729_create_dataset_abstracts_table.php
@@ -22,7 +22,7 @@ class CreateDatasetAbstractsTable extends Migration
 
             $table->enum(
                 'type',
-                ['methods' => 'methods', 'series_information' => 'series_information', 'technical_info' => 'technical_info', 'translated' => 'translated', 'other' => 'other']
+                ['abstract' => 'abstract', 'methods' => 'methods', 'series_information' => 'series_information', 'technical_info' => 'technical_info', 'translated' => 'translated', 'other' => 'other']
             );
             $table->string('value', 255);
             $table->string('language', 3);