diff --git a/Compatibility.md b/Compatibility.md
index ce3cfac..c9f2c0a 100644
--- a/Compatibility.md
+++ b/Compatibility.md
@@ -39,7 +39,7 @@ in other endpoint calls
 | `getPlaylists`         | 1.7.0       | |
 | `getPlaylist`          | 1.7.0       | |
 | `createPlaylist`       | 1.14.0      | Cannot be used to update playlist |
-| `updatePlaylist`       | 1.14.0      | Ignores `comment` and `public` parameter |
+| `updatePlaylist`       | 1.14.0      | Ignores `comment` and `public` parameter, cannot add or remove songs to a smart playlist |
 | `deletePlaylist`       | 1.14.0      | |
 | |||
 | _MEDIA RETRIEVAL_     |||