Mudança de atributo para novo arquivo de migração

database/migrations/2021_08_27_145845_create_substituicaos_table.php

@@ -19,7 +19,6 @@ class CreateSubstituicaosTable extends Migration
             $table->enum('tipo', ['Completa', 'TrocarPlano', 'ManterPlano']);
             $table->text('justificativa')->nullable();
             $table->string('causa')->nullable();
-            $table->text('observacao')->nullable();
 
             $table->unsignedBigInteger('trabalho_id');
             $table->unsignedBigInteger('participanteSubstituido_id');

database/migrations/2021_11_12_093019_alter_table_substituicaos.php

+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AlterTableSubstituicaos extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('substituicaos', function (Blueprint $table) {
+            $table->text('observacao')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('substituicaos', function (Blueprint $table) {
+            $table->dropColumn('observacao');
+        });
+    }
+}