diff --git a/37.md b/37.md
index 45d09962..d34dd5e4 100644
--- a/37.md
+++ b/37.md
@@ -7,7 +7,7 @@ Editable Short Notes
 
 `draft` `optional`
 
-This NIP allows `.content` modification on `kind:1` short notes while keeping a history of all changes.  
+This NIP allows `.content` modification of `kind:1` short notes while keeping a history of all changes.  
 
 `kind:1010` stores the updated content with a `e` tag pointing back to the `kind:1` id. 
 
@@ -27,4 +27,24 @@ Clients MUST check if the pubkey of the `kind:1010` is the same as the reference
 
 Clients SHOULD render the `.content` of the most recent `kind:1010` by `created_at`
 
-Clients MAY present a history of changes over time. 
\ No newline at end of file
+Clients MAY present a history of changes over time. 
+
+# Collaboration
+
+`kind:1010` that are not signed by the author of the `e`-tagged event are considered proposals to change. 
+
+```js
+{
+  "kind": 1010,
+  "pubkey": "<32-bytes hex-encoded public key of the event creator>",
+  "tags": [
+    ["e", "<kind_1_event_id>"]
+    ["p", "<kind_1_event_pubkey>"] // notifying the author
+    ["summary", "<message to the author>"] 
+  ],
+  "content": "this is the proposed change from a third-party to the author",
+  // ...other fields
+}
+```
+
+To accept a proposal, the author signs a new `kind:1010` event with a copy of the `.content`. 
\ No newline at end of file