table migration fix

database/migrations/2018_11_10_060257_create_sessions_table.php

@@ -16,7 +16,7 @@ class CreateSessionsTable extends Migration
         if(!Schema::hasTable('sessions')) {
             Schema::create('sessions', function (Blueprint $table) {
                 $table->string('id')->unique();
-                $table->unisgnedInteger('user_id')->nullable();
+                $table->unsignedInteger('user_id')->nullable();
                 $table->string('ip_address', 45)->nullable();
                 $table->text('user_agent')->nullable();
                 $table->text('payload');