Do not assume /usr/local/bin is always on the PATH

README.md

@@ -194,7 +194,7 @@ You can do it via this Ansible playbook (make sure to edit the `<your-username>`
 
 **or** using the command-line after **SSH**-ing to your server (requires that [all services have been started](#starting-the-services)):
 
-	matrix-synapse-register-user <your-username> <your-password> <admin access: 0 or 1>
+	/usr/local/bin/matrix-synapse-register-user <your-username> <your-password> <admin access: 0 or 1>
 
 **Note**: `<your-username>` is just a plain username (like `john`), not your full `@<username>:<your-domain>` identifier.
 

roles/matrix-server/tasks/register_user.yml

@@ -21,4 +21,4 @@
   when: start_result.changed
 
 - name: Register user
-  shell: "matrix-synapse-register-user {{ username }} {{ password }} {{ '1' if admin == 'yes' else '0' }}"
+  shell: "/usr/local/bin/matrix-synapse-register-user {{ username }} {{ password }} {{ '1' if admin == 'yes' else '0' }}"