Create a new migration instead of editing old one

extensions/suspend/migrations/2015_05_11_000000_add_suspended_until_to_users_table.php

@@ -22,7 +22,7 @@ class AddSuspendedUntilToUsersTable extends Migration
     public function up()
     {
         $this->schema->table('users', function (Blueprint $table) {
-            $table->dateTime('suspend_until')->nullable();
+            $table->dateTime('suspended_until')->nullable();
         });
     }
 
@@ -34,7 +34,7 @@ class AddSuspendedUntilToUsersTable extends Migration
     public function down()
     {
         $this->schema->table('users', function (Blueprint $table) {
-            $table->dropColumn('suspend_until');
+            $table->dropColumn('suspended_until');
         });
     }
 }

extensions/suspend/migrations/2015_09_14_000000_rename_suspended_until_column.php

@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Illuminate\Database\Schema\Blueprint;
+use Flarum\Migrations\Migration;
+
+class RenameSuspendedUntilColumn extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $this->schema->table('users', function (Blueprint $table) {
+            $table->renameColumn('suspended_until', 'suspend_until');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        $this->schema->table('users', function (Blueprint $table) {
+            $table->renameColumn('suspend_until', 'suspended_until');
+        });
+    }
+}