Update checkboxes

Author: Gumball2415

README.md

@@ -8,12 +8,12 @@ As such it is best to consider this repository a "development" build of the help
 
 These goals are for what should be finished in the Help File for the next full Dn-FamiTracker release:
 
-- [ ] Complete Sunsoft 5B documentation (almost done)
+- [x] Complete Sunsoft 5B documentation (almost done)
 - [x] Add Command Line argument documentation
 - [x] Clean up/correct documentation for other sound chips (2A03, MMC5, etc.)
-- [ ] Update the FAQ to include newer Dn-Famitracker features
+- [x] Update the FAQ to include newer Dn-Famitracker features
 - [x] Update some screenshots and images to better reflect Dn-Famitracker's interface.
-- [ ] Add "versions" to the Help file, to keep track of revisions made to the project files. (This will be done for the next Dn-FamiTracker release.)
+- [x] Add "versions" to the Help file, to keep track of revisions made to the project files. (This will be done for the next Dn-FamiTracker release.)
 
 #### Future roadmap