diff --git a/app/scenes/Document/components/MultiplayerEditor.tsx b/app/scenes/Document/components/MultiplayerEditor.tsx
index d37ad3ce8..aa7dff622 100644
--- a/app/scenes/Document/components/MultiplayerEditor.tsx
+++ b/app/scenes/Document/components/MultiplayerEditor.tsx
@@ -36,7 +36,10 @@ type AwarenessChangeEvent = {
 
 type ConnectionStatusEvent = { status: ConnectionStatus };
 
-type MessageEvent = { message: string };
+type MessageEvent = {
+  message: string;
+  event: Event;
+};
 
 function MultiplayerEditor({ onSynced, ...props }: Props, ref: any) {
   const documentId = props.id;
@@ -138,6 +141,17 @@ function MultiplayerEditor({ onSynced, ...props }: Props, ref: any) {
       setRemoteSynced(true);
     });
 
+    provider.on("close", (ev: MessageEvent) => {
+      if ("code" in ev.event && ev.event.code === 1009) {
+        provider.shouldConnect = false;
+        showToast(
+          t(
+            "Sorry, this document is too large - edits will no longer be persisted."
+          )
+        );
+      }
+    });
+
     if (debug) {
       provider.on("close", (ev: MessageEvent) =>
         Logger.debug("collaboration", "close", ev)
diff --git a/shared/i18n/locales/en_US/translation.json b/shared/i18n/locales/en_US/translation.json
index 3f3c58e8a..2f9e88e9c 100644
--- a/shared/i18n/locales/en_US/translation.json
+++ b/shared/i18n/locales/en_US/translation.json
@@ -492,6 +492,7 @@
   "Viewed {{ count }} times by {{ teamMembers }} people": "Viewed {{ count }} time by {{ teamMembers }} people",
   "Viewed {{ count }} times by {{ teamMembers }} people_plural": "Viewed {{ count }} times by {{ teamMembers }} people",
   "Sorry, it looks like you don’t have permission to access the document": "Sorry, it looks like you don’t have permission to access the document",
+  "Sorry, this document is too large - edits will no longer be persisted.": "Sorry, this document is too large - edits will no longer be persisted.",
   "Sorry, the last change could not be persisted – please reload the page": "Sorry, the last change could not be persisted – please reload the page",
   "This template will be permanently deleted in <2></2> unless restored.": "This template will be permanently deleted in <2></2> unless restored.",
   "This document will be permanently deleted in <2></2> unless restored.": "This document will be permanently deleted in <2></2> unless restored.",