Singularize model names.

database/migrations/2016_01_23_202544_add_service_options.php

@@ -3,7 +3,7 @@
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
 
-class AddServiceOptions extends Migration
+class AddServiceOption extends Migration
 {
     /**
      * Run the migrations.

database/migrations/2016_10_23_204157_add_foreign_service_options.php

@@ -4,7 +4,7 @@ use Illuminate\Support\Facades\Schema;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
 
-class AddForeignServiceOptions extends Migration
+class AddForeignServiceOption extends Migration
 {
     /**
      * Run the migrations.

database/migrations/2016_10_23_204321_add_foreign_service_variables.php

@@ -4,7 +4,7 @@ use Illuminate\Support\Facades\Schema;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Migrations\Migration;
 
-class AddForeignServiceVariables extends Migration
+class AddForeignServiceVariable extends Migration
 {
     /**
      * Run the migrations.

database/migrations/2016_12_02_185206_correct_service_variables.php

@@ -2,7 +2,7 @@
 
 use Illuminate\Database\Migrations\Migration;
 
-class CorrectServiceVariables extends Migration
+class CorrectServiceVariable extends Migration
 {
     /**
      * Run the migrations.