diff --git a/Feature-Matrix.md b/Feature-Matrix.md
index f04811d..f6f63df 100644
--- a/Feature-Matrix.md
+++ b/Feature-Matrix.md
@@ -16,7 +16,7 @@
 | quitGroup                           | ✅ | ❌ | ✅
 | receive                             | ✅ | ✅ | ✅
 | register                            | ✅ | ❌ | ✅
-| >   registerWithCaptcha             | ❌ | ❌ | ✅
+| >   registerWithCaptcha             | ✅<sup>12</sup> | ❌ | ✅
 | remoteDelete                        | ✅ | ❌ | ✅
 | >&nbsp;sendGroupRemoteDeleteMessage | ✅ | ❌ | ✅
 | >     sendRemoteDeleteMessage       | ✅ | ❌ | ✅
@@ -155,4 +155,4 @@
 9. A thumbnail has the data of an attachment, but is also part of a quoted attachment
 10. updateContact is implemented indirectly through two subcommands: setContactName and setExpirationTimer
 11. Attachments are written to disk, with remoteId sent over DBus
-
+12. Provided via the `--captcha` option