[commit: ghc] master: Tweak the build root section (e5f13b3)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/e5f13b3a7586873d190208e9dbac6abc560fab23/ghc

>---------------------------------------------------------------

commit e5f13b3a7586873d190208e9dbac6abc560fab23
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Wed Aug 29 18:50:51 2018 +0100

    Tweak the build root section


>---------------------------------------------------------------

e5f13b3a7586873d190208e9dbac6abc560fab23
 README.md | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 6221353..b88d08d 100644
--- a/README.md
+++ b/README.md
@@ -59,12 +59,11 @@ In addition to standard Shake flags (try `--help`), the build system
 currently supports several others:
 
 * `--build-root=PATH` or `-oPATH`: specify the directory in which you want to store all
-the build artifacts. If none is specified by the user, hadrian will store everything
-under `_build/` at the top of ghc's source tree. Unlike GHC's make build system,
-hadrian doesn't have any "inplace" logic left anymore. This option is therefore
-useful for GHC developers who want to build GHC in different ways or at different
-commits, from the same directory, and have the build products sit in different,
-isolated folders.
+build products. By default Hadrian builds everything in the `_build/` subdirectory of
+the GHC source tree. Unlike the Make build system, Hadrian doesn't have any "inplace"
+logic left anymore. This option is therefore useful for GHC developers who want to build
+GHC in different ways or at different commits, from the same source directory, and have
+the build products sit in different, isolated folders.
 
 * `--configure` or `-c`: use this flag to run the `boot` and `configure` scripts
 automatically, so that you don't have to remember to run them manually as you normally