diff --git a/templates/index.hbs b/templates/index.hbs
index a647e67..540aff2 100644
--- a/templates/index.hbs
+++ b/templates/index.hbs
@@ -25,6 +25,10 @@
         </div>
         <div class="form-footer">
           <div>
+            <noscript>
+              Encryption is client-side, therefore
+              it does not work without JavaScript
+            </noscript>
             <span>Encryption:</span>
             <label><input type="radio" name="enc" id="enc-off">Off</label>
             <label><input type="radio" name="enc" id="enc-random" checked>Random key</label>