Update 484.documentation.md

Co-authored-by: nulldomain <[email protected]>

fragments/484.documentation.md

@@ -1 +1 @@
-Added missing Documentation for the `Task` class and secondary `task` decorators, stating that setting `max_failures` or `max_invocations` to a negative number will disable that behaviour.
+Document the behaviour of `max_failures` and `max_invocations` in tasks and how to disable each.