diff --git a/_includes/tutorial/reactivity-overview.md b/_includes/tutorial/reactivity-overview.md
index f582a9c92..53fecde83 100644
--- a/_includes/tutorial/reactivity-overview.md
+++ b/_includes/tutorial/reactivity-overview.md
@@ -109,7 +109,7 @@ Keep in mind that if your application tries to access reactive values or express
 shinyServer(function(input, output) {
   # Will give error
   currentFib      <- fib(as.numeric(input$n))
-  output$nthValue <- renderText({ currentFib() })
+  output$nthValue <- renderText({ currentFib })
 })
 {% endhighlight %}