diff --git a/STATUS.md b/STATUS.md
index 2e988f6..1f1cf65 100644
--- a/STATUS.md
+++ b/STATUS.md
@@ -9,4 +9,5 @@ Implemented from [Client-Server API](https://matrix.org/docs/spec/client_server/
 - [x] [5.5.4 POST /_matrix/client/r0/account/password](https://matrix.org/docs/spec/client_server/latest#post-matrix-client-r0-account-password)
 - [x] [5.7.1 GET /_matrix/client/r0/account/whoami](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-account-whoami)
 - [x] [6.1 GET /_matrix/client/r0/capabilities](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-capabilities)
-- [x] [10.4.1 GET /_matrix/client/r0/joined_rooms](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-joined-rooms)
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+- [x] [10.4.1 GET /_matrix/client/r0/joined_rooms](https://matrix.org/docs/spec/client_server/latest#get-matrix-client-r0-joined-rooms)
+- [x] [5.5.1 POST /_matrix/client/r0/register](https://matrix.org/docs/spec/client_server/r0.5.0#post-matrix-client-r0-register)
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