hookup -> hooks, the ones you source

docs/getting_and_compiling.txt

@@ -1,6 +1,6 @@
 firstly, make sure to pull git-lfs references with: :git lfs fetch origin main:
 install cmake and sdl2-dev packages in manner suitable to your distribution
-add /tools/ directory to your $PATH, for example, with :source hookup:
+add /tools/ directory to your $PATH, for example, with :source hooks:
 navigate to one of /apps/ folders for demos
 run `twn build` to build
 runnable apps should have the same name as app folder it is in