Docs: update readme building requirements

README.md

@@ -16,13 +16,13 @@ The following subjects are required to build the grf:
 - make
 - python 3.10 or higher,
 - gorender
-- nml 0.7.5 + [PR #306](https://github.com/openttd/nml/pull/306) + [PR #320](https://github.com/openttd/nml/pull/320)
+- latest development version of nml
 
-You can use `install_dependencies.sh` to quickly download and setup `gorender` and `nml`. Please note that you should use `nml/nmlc`.
+You can use `install_dependencies.sh` to quickly download and setup `gorender` and `nml`.
 
 Use the `make` or `make all` command to build the grf; additionally, you could use `make all copy` to copy the grf file to your game directory. Ideally it should be `~/.local/share/openttd/newgrf`; the path may vary depending on your game version and platform.
 
 ## Contributors:
 
-- @WenSimEHRP
-- @ahyangyi
+- WenSimEHRP
+- ahyangyi