Update filtering/sorting stretch feature

Author: dividing-by-zaro

milestones/milestone5.md

@@ -52,7 +52,7 @@ Complete the checklist below detailing each baseline, custom, and stretch featur
 - [ ] The project includes a slide-out pane or modal as appropriate for your use case
 - [ ] The project includes a unique field within the join table
 - [ ] The project includes a custom non-RESTful route with corresponding controller actions
-- [ ] The project allows filtering and sorting as appropriate for your use case
+- [ ] The project allows filtering and/or sorting as appropriate for your use case
 - [ ] Data is automatically generated in response to a certain event or user action. Examples include generating a default inventory for a new user starting a game or creating a starter set of tasks for a user creating a new task app account
 - [ ] Data submitted via a POST or PATCH request is validated before the database is updated