diff --git a/Feature-Matrix.md b/Feature-Matrix.md
index 2dbdc57..65f9df6 100644
--- a/Feature-Matrix.md
+++ b/Feature-Matrix.md
@@ -65,7 +65,7 @@
 | updateContact                       | ✅ | ❌ | ✅<sup>10</sup>
 | >   setContactName                  | ✅ | ❌ | ✅
 | >   setExpirationTimer              | ✅ | ❌ | ✅<sup>1</sup>
-| updateGroup                         | ✅ | ❌ | ✅<sup>20</sup>
+| updateGroup<sup>27</sup>            | ✅ | ❌ | ✅<sup>20</sup>
 | updateProfile                       | ✅ | ❌ | ✅
 | uploadStickerPack                   | ✅ | ❌ | ✅<sup>1</sup>
 | verify                              | ✅ | ❌ | ✅<sup>18</sup>
@@ -175,4 +175,5 @@
 23. Only works if a secondary device is running the daemon.
 24. Only works if a primary device is running the daemon.
 25. Does not implement the `-a, --trust-all-known-keys` option
-26. Provided as part of the subcommand's `-d, --detailed` option or signal-cli's `--output=json` option.
\ No newline at end of file
+26. Provided as part of the subcommand's `-d, --detailed` option or signal-cli's `--output=json` option.
+27. Creates a new group if the groupId or base64GroupId is omitted.
\ No newline at end of file