diff --git a/PLUGINS.md b/PLUGINS.md
index 33b37a2b..29923b6f 100644
--- a/PLUGINS.md
+++ b/PLUGINS.md
@@ -417,6 +417,7 @@ Content of `state` (updated to the current journal entry):
 | `ModulesValue` |            `int`            | Value of the current ship's modules                                                                             |
 | `Rebuy`        |            `int`            | Current ship's rebuy cost                                                                                       |
 | `Modules`      |           `dict`            | Currently fitted modules                                                                                        |
+| `CargoJSON`    |           `dict`            | content of cargo.json as of last read.                                                                          |
 
 A special "StartUp" entry is sent if EDMC is started while the game is already
 running. In this case you won't receive initial events such as "LoadGame",