diff --git a/app/Program.cs b/app/Program.cs
index 50c109f9..4248dd33 100644
--- a/app/Program.cs
+++ b/app/Program.cs
@@ -7,8 +7,6 @@ namespace GHelper
 {
     static class Program
     {
-
-
         public static NotifyIcon trayIcon = new NotifyIcon
         {
             Text = "G-Helper",
@@ -16,7 +14,7 @@ namespace GHelper
             Visible = true
         };
 
-        public static ASUSWmi wmi;
+        public static ASUSWmi? wmi;
         public static AppConfig config = new AppConfig();
 
         public static SettingsForm settingsForm = new SettingsForm();
diff --git a/app/Settings.cs b/app/Settings.cs
index fb8b6a43..4cb91562 100644
--- a/app/Settings.cs
+++ b/app/Settings.cs
@@ -235,7 +235,7 @@ namespace GHelper
 
         private void ButtonOptimized_MouseHover(object? sender, EventArgs e)
         {
-            labelTipGPU.Text = "Sptch to Eco on battery and to Standard when plugged";
+            labelTipGPU.Text = "Switch to Eco on battery and to Standard when plugged";
         }
 
         private void ButtonGPU_MouseLeave(object? sender, EventArgs e)