diff --git a/README.md b/README.md
index 4a9489c..6471500 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ image][synapse-docker].
 4. `abra secret_generate coturn_shared_secret`
 5. `abra deploy`
 6. `abra service_run synapse` to open a shell
-7. `register_new_matrix_user -c /data/homeserver.yaml http://localhost:8008`
+7. `abra register_new_matrix_user`
 
 [synapse-docker]: https://hub.docker.com/r/matrixdotorg/synapse
 [abra]: https://git.autonomic.zone/autonomic-cooperative/abra
diff --git a/abra-commands.sh b/abra-commands.sh
new file mode 100644
index 0000000..e9492ec
--- /dev/null
+++ b/abra-commands.sh
@@ -0,0 +1,3 @@
+sub_register_new_matrix_user() {
+	abra run synapse register_new_matrix_user -c /data/homeserver.yaml http://localhost:8008
+}