Reverted bootstrap/README.md

Author: AphonicChaos

bootstrap/README.md

@@ -2,7 +2,7 @@
 
 This utility is only intended for use in building cabal-install
 on a new platform. If you already have a functional (if dated) cabal-install
-please rather run `cabal install`.
+please rather run `cabal v2-install`.
 
 The typical usage is porting to a new linux architecture,
 then the `linux-{ghc-ver}.json` file is available in the `bootstrap/` folder:
@@ -30,10 +30,10 @@ To generate the `platform-{ghc-ver}` files for other platforms, do:
   2. Build a dependency description file (`$PLATFORM-$GHCVER.json`, e.g. `linux-8.8.4.json`) by running:
 
        ```sh
-       cabal build --with-compiler=/path/to/ghc --dry-run cabal-install:exe:cabal
+       cabal v2-build --with-compiler=/path/to/ghc --dry-run cabal-install:exe:cabal
        cp dist-newstyle/cache/plan.json bootstrap/$PLATFORM-$GHCVER.plan.json
        cd bootstrap
-       cabal run -v0 cabal-bootstrap-gen -- $PLATFORM-$GHCVER.plan.json | tee $PLATFORM-$GHCVER.json
+       cabal v2-run -v0 cabal-bootstrap-gen -- $PLATFORM-$GHCVER.plan.json | tee $PLATFORM-$GHCVER.json
        ```
 
   3. You may need to tweak `bootstrap/$PLATFORM-$GHCVER.json` file manually,