Collabora Online named as "1" in Settings

I have just noticed a strange thing: in settings page Collabora tab is named as “1” in personal and administration page. I’m not sure where this bug, if it is a bug at all, belongs.

Nextcloud version
PHP Version: 7.2.17, Memory Limit: 2 GB, Max Execution Time: 3600, Upload max size: 2 MB
Database: Type: pgsql, Version: PostgreSQL 11.3 (Ubuntu 11.3-1.pgdg18.04+1) on x86_64-pc-linux gnu, compiled by gcc (Ubuntu 7.4.0-1ubuntu1~18.04) 7.4.0, 64-bit