diff --git a/guides/source/working_with_javascript_in_rails.md b/guides/source/working_with_javascript_in_rails.md
index a0398a2484..d2eac05b0d 100644
--- a/guides/source/working_with_javascript_in_rails.md
+++ b/guides/source/working_with_javascript_in_rails.md
@@ -44,7 +44,7 @@ fetch("/test")
   .then((data) => data.text())
   .then((html) => {
     const results = document.querySelector("#results");
-    results.insertAdjacentHTML("beforeend", data);
+    results.insertAdjacentHTML("beforeend", html);
   });
 ```