Fix the description on the service file

roles/matrix-bot-go-neb/templates/systemd/matrix-bot-go-neb.service.j2

@@ -1,6 +1,6 @@
 #jinja2: lstrip_blocks: "True"
 [Unit]
-Description=Matrix reminder bot
+Description=Matrix Go-NEB bot
 {% for service in matrix_bot_go_neb_systemd_required_services_list %}
 Requires={{ service }}
 After={{ service }}