diff --git a/Guide.md b/Guide.md
index 8414623..7b115bf 100644
--- a/Guide.md
+++ b/Guide.md
@@ -73,7 +73,7 @@ namespace DesktopMagicPlugin
 
         private void TextBox_OnValueChanged()
         {
-            Application.UpdateWindow(); //Update the pugin window. (Calls the "Main" method.)
+            Application.UpdateWindow(); //Update the plugin window. (Calls the "Main" method.)
         }
 
         public override Bitmap Main()