add missing final dot to task keeper

README.md

@@ -1434,7 +1434,7 @@ See https://staticsitegenerators.net and https://www.staticgen.com
 - [Nullboard](https://github.com/apankrat/nullboard) - Single-page minimalist kanban board; compact, highly readable and quick to use. ([Demo](https://nullboard.io/preview)) `BSD-2-Clause` `Javascript`
 - [PHP Task/Todo list](https://github.com/lgg/tasks.php) - Simple task/todo list that uses a JSON text file for the tasks. `MIT` `PHP`
 - [Restyaboard](http://restya.com/board/) - Open source Trello-like kanban board. ([Demo](http://restya.com/board/demo.html), [Source Code](https://github.com/RestyaPlatform/board)) `OSL-3.0` `PHP`
-- [Task Keeper](https://github.com/nymanjens/piga) - List editor for power users, backed by a self-hosted server `Apache-2.0` `Scala`
+- [Task Keeper](https://github.com/nymanjens/piga) - List editor for power users, backed by a self-hosted server. `Apache-2.0` `Scala`
 - [TaskBoard](http://taskboard.matthewross.me/) - Kanban-inspired app for keeping track of things that need to get done. ([Demo](https://taskboard.matthewross.me/demo.html), [Source Code](https://github.com/kiswa/TaskBoard)) `MIT` `PHP`
 - [Taskfreak](http://www.taskfreak.com/original) - Simple but efficient web based task manager written in PHP. `GPL-3.0` `PHP`
 - [Tasks](https://github.com/m1guelpf/tasks) - Simple tasks and notes manager written in PHP, jQuery and Bootstrap using a custom flat file database. `MPL-2.0` `PHP`