diff --git a/fastapi/openapi/docs.py b/fastapi/openapi/docs.py
index b7803b13b..bf335118f 100644
--- a/fastapi/openapi/docs.py
+++ b/fastapi/openapi/docs.py
@@ -106,6 +106,9 @@ def get_redoc_html(
     </style>
     </head>
     <body>
+    <noscript>
+        ReDoc requires Javascript to function. Please enable it to browse the documentation.
+    </noscript>
     <redoc spec-url="{openapi_url}"></redoc>
     <script src="{redoc_js_url}"> </script>
     </body>
