fix hookshot role

roles/custom/matrix-bridge-hookshot/templates/registration.yml.j2

@@ -18,7 +18,7 @@ namespaces:
       exclusive: true
 {% endif %}
 {% if matrix_hookshot_generic_enabled %}
-    - regex: "@{{ matrix_hookshot_generic_user_id_prefix }}.*:{{ matrix_domain }}" # Where foobar is your homeserver's domain // depending on userIdPrefix setting in conf
+    - regex: "@{{ matrix_hookshot_generic_userIdPrefix }}.*:{{ matrix_domain }}" # Where foobar is your homeserver's domain // depending on userIdPrefix setting in conf
       exclusive: true
 {% endif %}
   aliases: