nixos/pinnwand: fix documentation link formatting

Changed files
+1 -1
nixos
modules
services
+1 -1
nixos/modules/services/misc/pinnwand.nix
···
default = "sqlite:////var/lib/pinnwand/pinnwand.db";
example = "sqlite:///:memory";
description = ''
-
Database URI compatible with [SQLAlchemyhttps://docs.sqlalchemy.org/en/14/core/engines.html#database-urls].
Additional packages may need to be introduced into the environment for certain databases.
'';
···
default = "sqlite:////var/lib/pinnwand/pinnwand.db";
example = "sqlite:///:memory";
description = ''
+
Database URI compatible with [SQLAlchemy](https://docs.sqlalchemy.org/en/14/core/engines.html#database-urls).
Additional packages may need to be introduced into the environment for certain databases.
'';