diff --git a/chat/index.html b/chat/index.html
index 602ff45e..7ba0f73c 100644
--- a/chat/index.html
+++ b/chat/index.html
@@ -904,7 +904,7 @@ <h3 class="text-center">Welcome to BioImage.IO Chatbot</h3>
           info.classList.add("alert")
           info.classList.add("alert-info")
           info.role = "alert"
-          info.innerHTML = `<strong>Info:</strong> The code interpreter runs entirely in-browser. Mounted data stays in-browser, won't be uploaded to any server. Code execution results, like print messages, are sent to the chat server.`
+          info.innerHTML = `<strong>Info:</strong> The code interpreter runs entirely in-browser. Mounted data stays in-browser, won't be uploaded to any server. Code execution results, like print messages, are sent to the chat server. WARNING: Please ALWAYS keep a backup before mounting your data folder.`
           $('#chat1 .chat-dialog-header').after(info)
         }
         $('#console-btn').show()
diff --git a/precache-manifest.8b595ea8d55755e839985a243a602fb0.js b/precache-manifest.8dc6173002d60d08d092b5ec4cd9dc4a.js
similarity index 99%
rename from precache-manifest.8b595ea8d55755e839985a243a602fb0.js
rename to precache-manifest.8dc6173002d60d08d092b5ec4cd9dc4a.js
index 4488b634..828aeb9f 100644
--- a/precache-manifest.8b595ea8d55755e839985a243a602fb0.js
+++ b/precache-manifest.8dc6173002d60d08d092b5ec4cd9dc4a.js
@@ -12,7 +12,7 @@ self.__precacheManifest = (self.__precacheManifest || []).concat([
     "url": "/chat/imagej-js-extension.imjoy.html"
   },
   {
-    "revision": "fd89aa04e735b65371f03c5fea8c56b0",
+    "revision": "9e82f0789a8fe8f4a9c6188124abede7",
     "url": "/chat/index.html"
   },
   {
diff --git a/service-worker.js b/service-worker.js
index 465cb6a1..e5930853 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -14,7 +14,7 @@
 importScripts("https://storage.googleapis.com/workbox-cdn/releases/4.3.1/workbox-sw.js");
 
 importScripts(
-  "/precache-manifest.8b595ea8d55755e839985a243a602fb0.js"
+  "/precache-manifest.8dc6173002d60d08d092b5ec4cd9dc4a.js"
 );
 
 workbox.core.setCacheNameDetails({prefix: "bioimage"});