diff --git a/docs/development/API/pleroma_api.md b/docs/development/API/pleroma_api.md
index 7946ba1f6..b19523bce 100644
--- a/docs/development/API/pleroma_api.md
+++ b/docs/development/API/pleroma_api.md
@@ -690,6 +690,7 @@ Audio scrobbling in Pleroma is **deprecated**.
   * `album`: the album of the media playing [optional]
   * `artist`: the artist of the media playing [optional]
   * `length`: the length of the media playing [optional]
+  * `external_link`: a URL referencing the media playing [optional]
 * Response: the newly created media metadata entity representing the Listen activity
 
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