docs: update with proper filename

README.md

@@ -406,5 +406,5 @@ looks like for the Go test file.
 
 Again, from the Go test file, execute `:EditQuery` to open up the query editor
 in a separate window. In the editor, you can now start creating your syntax
-query and play around. You can paste in queries from `ast.lua` in the editor, to
+query and play around. You can paste in queries from `query.lua` in the editor, to
 see how the query behaves and highlights parts of your Go test file.