ajuste em descricao

app/Http/Controllers/EventoController.php

@@ -356,7 +356,7 @@ class EventoController extends Controller
 
         $validated = $request->validate([
           'nome'                => ['required', 'string'],        
-          'descricao'           => ['required', 'string'],
+          'descricao'           => ['required', 'string', 'size:500'],
           'tipo'                => ['required', 'string'],
           'natureza'            => ['required'], 
           'inicioSubmissao'     => ['required', 'date', 'after:yesterday'],

database/migrations/2020_02_05_123153_create_eventos_table.php

@@ -17,7 +17,7 @@ class CreateEventosTable extends Migration
             $table->bigIncrements('id');
             $table->timestamps();
             $table->string('nome')->nullable();            
-            $table->string('descricao')->nullable();
+            $table->text('descricao')->nullable();
             $table->string('tipo')->nullable(); 
             $table->unsignedBigInteger('natureza_id')->nullable();           
             $table->date('inicioSubmissao')->nullable();