diff --git a/README.md b/README.md
index 14655a62f..b67060a60 100644
--- a/README.md
+++ b/README.md
@@ -232,6 +232,7 @@ Deprecated: `GET http://localhost:3333/api/v1/auth/anonymous/<INSERT_SECURITY_TO
 | Field      | Type                | Description                                        |
 | ---------- | ------------------- | -------------------------------------------------- |
 | accountId  | string (`optional`) | Id of the account                                  |
+| comment    | string (`optional`) | Comment of the activity                            |
 | currency   | string              | `CHF` \| `EUR` \| `USD` etc.                       |
 | dataSource | string              | `MANUAL` (for type `ITEM`) \| `YAHOO`              |
 | date       | string              | Date in the format `ISO-8601`                      |