diff --git a/REST-API.md b/REST-API.md
index 7d25288..e5eae31 100644
--- a/REST-API.md
+++ b/REST-API.md
@@ -44,6 +44,7 @@ When calling a production Wekan server, ensure it is running via HTTPS and has a
 | HTTP Method | Url | Short Description |
 | :--- | :--- | :--- |
 | `POST` | `/api/boards/:boardId/lists/:listId/cards` | [Add a card to a list, board, and swimlane.](#add-card-to-list-board-swimlane) |
+| `PUT` | `/api/boards/:boardId/lists/:fromListId/cards/:cardId` | [Update a card.](#update-a-card) |
 
 ---
 
@@ -464,7 +465,7 @@ curl -H "Authorization: Bearer t7iYB86mXoLfP_XsMegxF41oKT7iiA9lDYiKVtXcctl" \
 
 # Add Card to List-Board-Swimlane
 
-| URL / Code Link | Requires Admin Auth | HTTP Method |
+| API URL / Code Link | Requires Admin Auth | HTTP Method |
 | :--- | :--- | :--- |
 | [/api/boards/:boardId/lists/:listId/cards](https://github.com/wekan/wekan/blob/c115046a7c86b30ab5deb8762d3ef7a5ea3f4f90/models/cards.js#L487) | `yes` | `POST` |
 
@@ -480,4 +481,27 @@ The new card's ID is returned in the format:
 ```json
 {
     "_id": "W9m9YxQKT6zZrKzRW"
-}
\ No newline at end of file
+}
+```
+
+# Update a card
+You can change (any of) the card's title, list, and description.
+
+| API URL / Code Link | Requires Admin Auth | HTTP Method |
+| :--- | :--- | :--- |
+| [/api/boards/:boardId/lists/:fromListId/cards/:cardId](https://github.com/wekan/wekan/blob/c115046a7c86b30ab5deb8762d3ef7a5ea3f4f90/models/cards.js#L520) | `yes` | `PUT` |
+
+```shell
+curl -H "Authorization: Bearer t7iYB86mXoLfP_XsMegxF41oKT7iiA9lDYiKVtXcctl" \
+     -H "Content-type:application/json" \
+     -X PUT \
+     http://localhost:3000/api/boards/YRgy7Ku6uLFv2pYwZ/lists/PgTuf6sFJsaxto5dC/cards:cardId \
+     -d '{ "title": "New title text", "listId": "New destination listId", "description": "New description text" }'
+```
+## Result example
+The card's ID is returned in the format:
+```json
+{
+    "_id": "W9m9YxQKT6zZrKzRW"
+}
+```
\ No newline at end of file