Fix broken links in README.md

README.md

@@ -32,15 +32,15 @@ This is a Ruby on Rails application that both contains and serves the Smart Answ
 
 **NOTE.** This application doesn't use a database.
 
-Read more about the [structure and syntax of Smart Answers](doc/smart-answers-flows.md).
+Read more about the [structure and syntax of Smart Answers](doc/smart-answer-flows.md).
 
 ### Dependencies
 
 * [alphagov/static](https://github.com/alphagov/static): provides static assets (JS/CSS) and the GOV.UK templates.
 
 ### Running the application
 
-See [development using the GDS development virtual machine](developing-using-vm.md).
+See [development using the GDS development virtual machine](doc/developing-using-vm.md).
 
 ### Running the test suite