diff --git a/docs/language/src/builtins/widgets.md b/docs/language/src/builtins/widgets.md
index 95a0431fb..1ac50a103 100644
--- a/docs/language/src/builtins/widgets.md
+++ b/docs/language/src/builtins/widgets.md
@@ -266,7 +266,7 @@ export component Example inherits Window {
     ProgressIndicator {
         width: parent.width;
         height: parent.height;
-        progress: 50;
+        progress: 50%;
     }
 }
 ```