diff --git a/2-ui/2-events-and-interfaces/6-behavior/article.md b/2-ui/2-events-and-interfaces/6-behavior/article.md
index aaa367ec..9474bce8 100644
--- a/2-ui/2-events-and-interfaces/6-behavior/article.md
+++ b/2-ui/2-events-and-interfaces/6-behavior/article.md
@@ -29,7 +29,7 @@
 
     var counter = event.target;
 
-    counter.value++;
+    counter.innerHTML++;
   };
 </script>
 ```