diff --git a/docs/src/config/configuration.md b/docs/src/config/configuration.md
index 6427f53..3a7b760 100644
--- a/docs/src/config/configuration.md
+++ b/docs/src/config/configuration.md
@@ -40,6 +40,7 @@ enter([ // Add all defwindow inside enter. Enter is the root of the config.
         height: "30px",
         anchor: "top center"
       },
+      exclusive: true,
       reserve: #{ distance: "40px", side: "top" }
   }, label(#{ text: "example content" }))
 ])